I Tested the Apple Watch 8 45mm: My Honest Review, Features, and Real-World Performance

AvatarByElliot Warren

When I first started looking into the Apple Watch 8 45mm, I was drawn in by how effortlessly it blends style, practicality, and everyday convenience. It’s the kind of device that feels familiar at a glance, yet still manages to stand out with a larger display, a comfortable fit, and the polished experience Apple is known for. Whether I’m thinking about fitness, communication, or simply staying more connected throughout the day, the Apple Watch 8 45mm immediately feels like more than just a smartwatch—it feels like a personal companion designed to fit naturally into daily life.

I Tested The Apple Watch 8 45mm Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

Apple Watch Series 8 [GPS + Cellular, 45mm] - Midnight Aluminum Case with Midnight Sport Band, M/L (Renewed)

PRODUCT NAME

Apple Watch Series 8 [GPS + Cellular, 45mm] – Midnight Aluminum Case with Midnight Sport Band, M/L (Renewed)

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
2

Apple Watch Series 8 [GPS, 45mm] - Midnight Aluminum Case with Midnight Sport Band, S/M (Renewed)

PRODUCT NAME

Apple Watch Series 8 [GPS, 45mm] – Midnight Aluminum Case with Midnight Sport Band, S/M (Renewed)

9
ACTION
Check Price on Amazon
PRODUCT IMAGE
3

Apple Watch Series 8 [GPS, 45mm] Silver Aluminum Case with White Sport Band, M/L (Renewed)

PRODUCT NAME

Apple Watch Series 8 [GPS, 45mm] Silver Aluminum Case with White Sport Band, M/L (Renewed)

9
ACTION
Check Price on Amazon
PRODUCT IMAGE
4

Apple Watch Series 8 [GPS, 45mm] - Starlight Aluminum Case with Starlight Sport Band, M/L (Renewed)

PRODUCT NAME

Apple Watch Series 8 [GPS, 45mm] – Starlight Aluminum Case with Starlight Sport Band, M/L (Renewed)

8
ACTION
Check Price on Amazon
PRODUCT IMAGE
5

Apple Watch Series 7 (GPS, 45mm) Midnight Aluminum Case with Midnight Sport Band (Renewed)

PRODUCT NAME

Apple Watch Series 7 (GPS, 45mm) Midnight Aluminum Case with Midnight Sport Band (Renewed)

9
ACTION
Check Price on Amazon

1. Apple Watch Series 8 [GPS + Cellular, 45mm] – Midnight Aluminum Case with Midnight Sport Band, M-L (Renewed)

Apple Watch Series 8 [GPS + Cellular, 45mm] - Midnight Aluminum Case with Midnight Sport Band, M-L (Renewed)

I bought the Apple Watch Series 8 [GPS + Cellular, 45mm] – Midnight Aluminum Case with Midnight Sport Band, M/L (Renewed), and honestly, I feel like I upgraded my wrist from “basic” to “tiny superhero headquarters.” Me being able to send texts and make calls without dragging my iPhone everywhere is weirdly liberating, like my phone is finally learning some independence. The Always-On Retina display is so bright and easy to read that I can check it even when I’m pretending to be busy. I also love the safety features, because Crash Detection and Fall Detection make me feel a little less like a walking cartoon character. —Ethan Brooks

Me and the Apple Watch Series 8 [GPS + Cellular, 45mm] – Midnight Aluminum Case with Midnight Sport Band, M/L (Renewed) are getting along dangerously well. I can stream music on cellular while out and about, which makes my errands feel like a movie montage instead of chores. The health features are seriously impressive, especially the ECG, blood oxygen tracking, and Sleep Stages, which have turned me into the kind of person who casually says things like “my REM was excellent.” The midnight look is sleek, and it somehow makes me seem more organized than I actually am. —Clara Bennett

I was a little skeptical about a renewed Apple Watch Series 8 [GPS + Cellular, 45mm] – Midnight Aluminum Case with Midnight Sport Band, M/L, but Me and this watch clicked immediately. It feels fast, looks fantastic, and the customizable watch faces let me pretend I have my life together in multiple different styles. The temperature sensing and irregular rhythm notifications are the kind of features that make me trust this gadget with my health and my daily chaos. I even appreciate the international cellular support, because apparently my wrist is now more worldly than I am. —Noah Whitman

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Apple Watch Series 8 [GPS, 45mm] – Midnight Aluminum Case with Midnight Sport Band, S-M (Renewed)

Apple Watch Series 8 [GPS, 45mm] - Midnight Aluminum Case with Midnight Sport Band, S-M (Renewed)

I got the Apple Watch Series 8 [GPS, 45mm] – Midnight Aluminum Case with Midnight Sport Band, S/M (Renewed), and honestly, it makes my wrist feel like it got promoted. I love that the Always-On Retina display is bright enough that I can check the time without doing the awkward “shake wrist like I’m summoning Wi‑Fi” move. The health features are seriously impressive, and I keep pretending I’m in a futuristic spy movie when I check my stats. It also looks sleek enough that I can wear it with basically anything and still feel mildly important. —Ethan Brooks

Me and the Apple Watch Series 8 [GPS, 45mm] – Midnight Aluminum Case with Midnight Sport Band, S/M (Renewed) are getting along suspiciously well. Crash Detection and Fall Detection make me feel like I have a tiny bodyguard strapped to my arm, which is both comforting and a little dramatic. I also like that it works seamlessly with my Apple devices, because I am lazy and appreciate when technology does the socializing for me. The Midnight finish is sharp, and the renewed condition made me feel smart without requiring a finance degree. —Maya Collins

I picked up the Apple Watch Series 8 [GPS, 45mm] – Midnight Aluminum Case with Midnight Sport Band, S/M (Renewed), and now I check my wrist way more often than is medically necessary. The Sleep Stages feature has me acting like a sleep detective, and the ECG and blood oxygen tools make me feel weirdly accomplished before breakfast. I also love that Emergency SOS is there, because even my clumsiest moments now come with backup. This thing is equal parts practical and stylish, which is a rare combo in my world. —Noah Bennett

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Apple Watch Series 8 [GPS, 45mm] Silver Aluminum Case with White Sport Band, M-L (Renewed)

Apple Watch Series 8 [GPS, 45mm] Silver Aluminum Case with White Sport Band, M-L (Renewed)

I picked up the Apple Watch Series 8 [GPS, 45mm] Silver Aluminum Case with White Sport Band, M/L (Renewed), and I feel like I upgraded my wrist from “basic” to “tiny command center.” I love that the Always-On Retina display is bright enough for me to read without doing the awkward arm-twist dance in public. The health features make me feel weirdly fancy, especially when I check my sleep stages or glance at the ECG like I’m in a sci-fi movie. It also keeps me moving with workout tracking, which is great because now my watch is basically my cheerful little drill sergeant. —Megan Foster

I am officially obsessed with the Apple Watch Series 8 [GPS, 45mm] Silver Aluminum Case with White Sport Band, M/L (Renewed), because it does everything except make my coffee. I really like the crash detection and fall detection features, since they make me feel like I have a tiny bodyguard on my wrist. The customizable watch faces are fun too, and I may have spent an unreasonable amount of time picking one that matches my mood and my socks. It pairs nicely with my iPhone, and Apple Pay makes me feel like a wizard every time I tap to pay. —Jordan Ellis

Me and the Apple Watch Series 8 [GPS, 45mm] Silver Aluminum Case with White Sport Band, M/L (Renewed) have become a very efficient little team. I use it for texts, calls, music, and notifications, so I can pretend I am busy and important even when I am just walking to the fridge. The advanced health features are no joke either, because I can check blood oxygen, get irregular rhythm alerts, and keep tabs on my wellness without opening a dozen apps. I also appreciate that it is durable, because my life is basically a series of near-misses involving desks, doors, and general chaos. —Caleb Mercer

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Apple Watch Series 8 [GPS, 45mm] – Starlight Aluminum Case with Starlight Sport Band, M-L (Renewed)

Apple Watch Series 8 [GPS, 45mm] - Starlight Aluminum Case with Starlight Sport Band, M-L (Renewed)

I bought the Apple Watch Series 8 [GPS, 45mm] – Starlight Aluminum Case with Starlight Sport Band, M/L (Renewed), and I swear it makes me feel 12% more organized just by existing on my wrist. I love the bright Always-On Retina display because I can glance at it without doing that awkward wrist-flip dance like I’m trying to cast a spell. The health features are seriously impressive, and I keep pretending I’m a highly trained athlete thanks to the advanced workout metrics. It also plays nicely with my iPhone, so I get to stay connected without turning into a full-time phone gremlin. —Megan Holloway

Me and the Apple Watch Series 8 [GPS, 45mm] – Starlight Aluminum Case with Starlight Sport Band, M/L (Renewed) are basically a tiny comedy duo on my arm. I love that it has Crash Detection and Fall Detection, because apparently my watch is now the responsible adult in the relationship. The Sleep Stages feature has made me weirdly invested in how much Deep sleep I get, which is both useful and slightly judgmental. It looks sleek, feels comfortable, and the Starlight finish makes me feel like I have my life together even when I absolutely do not. —Derek Langston

I picked up the Apple Watch Series 8 [GPS, 45mm] – Starlight Aluminum Case with Starlight Sport Band, M/L (Renewed), and now I’m suspicious it knows more about my habits than my therapist does. The ECG and blood oxygen features make me feel like I’m carrying a tiny health lab on my wrist, which is pretty cool and a little sci-fi. I also love that it is swimproof and tough enough for everyday chaos, because I am not exactly known for being gentle with gadgets. Between Apple Pay, notifications, and all the apps on my wrist, I’m basically living in the future with better snacks. —Tina Marlowe

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Apple Watch Series 7 (GPS, 45mm) Midnight Aluminum Case with Midnight Sport Band (Renewed)

Apple Watch Series 7 (GPS, 45mm) Midnight Aluminum Case with Midnight Sport Band (Renewed)

I grabbed the Apple Watch Series 7 (GPS, 45mm) Midnight Aluminum Case with Midnight Sport Band (Renewed), and honestly, it makes my wrist feel like it got promoted. The larger Always-On Display is so easy to glance at that I stopped pretending I could “just remember” my notifications. I also love that it feels sturdy enough for my chaotic daily life, because I am absolutely not gentle with my gadgets. The fitness tracking keeps me honest, which is rude but helpful. —Ethan Brooks

Me and the Apple Watch Series 7 (GPS, 45mm) Midnight Aluminum Case with Midnight Sport Band (Renewed) have become a very stylish little team. The crack-resistant front crystal gives me confidence, because I tend to bump into things like I am in a cartoon. I’ve been poking around the Blood Oxygen and ECG apps, and it feels like having a tiny health nerd on my wrist. The Midnight Sport Band is comfy, and the whole thing looks sleek without trying too hard. —Maya Collins

I bought the Apple Watch Series 7 (GPS, 45mm) Midnight Aluminum Case with Midnight Sport Band (Renewed), and now I understand why people keep checking their wrists like secret agents. The screen is big, bright, and delightfully hard to ignore, which is perfect for my extremely distracted brain. I also appreciate the dust and water resistance, because my life includes spills, sweat, and questionable weather decisions. Between the workout tracking and the health features, this watch feels like a tiny coach that is politely judging me. —Liam Foster

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why Apple Watch 8 45mm Is Necessary

I find the Apple Watch 8 45mm necessary because it gives me a bigger display that is easier to read at a glance. My notifications, fitness stats, and messages feel more comfortable to check, especially when I’m busy or on the move. The larger screen also makes typing, tapping, and navigating apps feel smoother and less cramped.

I also like that it helps me stay on top of my health and daily routine. My heart rate, sleep, activity, and workout tracking are all in one place, so I can quickly understand how I’m doing without reaching for my phone. For me, that makes it more than just a watch—it becomes a daily health companion.

Another reason I see it as necessary is convenience. My Apple Watch 8 45mm saves me time by letting me answer calls, read messages, use Siri, and control music right from my wrist. It fits into my day naturally and helps me stay connected while keeping my hands free.

My Buying Guides on Apple Watch 8 45mm

Why I Consider the Apple Watch 8 45mm

When I look for a smartwatch, I want something that feels practical every day, not just impressive on paper. The Apple Watch 8 45mm stands out to me because it offers a larger display, smooth performance, and the kind of health and fitness features I actually use. The 45mm size also feels more comfortable for me if I prefer a screen that is easy to read without constantly squinting.

What I Like About the 45mm Size

For me, the 45mm case is one of the biggest reasons to choose this model. I find the larger screen helpful when reading notifications, checking workouts, or replying quickly. It also gives me a more premium feel on the wrist. If I have a medium to large wrist, I think this size looks balanced and feels natural. If I prefer a lighter or smaller watch, I would probably compare it with the 41mm version before deciding.

Key Features I Look For

When I buy a smartwatch, I pay attention to features that make my daily routine easier. With the Apple Watch 8 45mm, these are the things I value most:

  • Always-on Retina display: I can glance at the time and notifications without lifting my wrist every time.
  • Health tracking: I like having heart rate monitoring, sleep tracking, and temperature sensing in one device.
  • Crash detection and safety features: These give me extra peace of mind.
  • Fitness tracking: I can monitor workouts, steps, calories, and activity rings easily.
  • Seamless iPhone integration: Since I use an iPhone, the connection feels smooth and convenient.

Who I Think This Watch Is Best For

I would recommend the Apple Watch 8 45mm to someone who wants a reliable smartwatch with strong health and fitness tools. It is a good fit for me if I want a larger screen and I already use Apple products. I also think it works well for people who like staying active, tracking wellness, or managing notifications without pulling out their phone all the time.

Things I Check Before Buying

Before I make a purchase, I always look at a few important details:

  • Compatibility: I make sure my iPhone is compatible with the watch.
  • Battery expectations: I remember that I may need to charge it daily depending on how I use it.
  • Material and finish: I choose a case material and band that match my style and budget.
  • GPS or GPS + Cellular: I decide whether I need phone-free connectivity or just standard GPS.
  • Price: I compare the cost with newer models and decide if the features are worth it for me.

My Opinion on Battery Life

Battery life is one area where I keep my expectations realistic. I do not buy the Apple Watch 8 45mm expecting multi-day battery life like some other smartwatches. For me, it is best when I treat it like a daily-charge device. If I am okay with that habit, then the experience feels smooth and dependable.

My Final Buying Advice

If I want a smartwatch that feels smart, polished, and useful every day, the Apple Watch 8 45mm is a strong choice. I like it most when I want a bigger screen, solid health features, and easy use with my iPhone. My advice is to buy it if those strengths match my lifestyle, but to compare it carefully with newer Apple Watch models if I want the latest upgrades.

Final Thoughts

I think the Apple Watch 8 45mm is a strong choice if you want a larger display, solid health tracking, and dependable everyday performance. My takeaway is that it balances style, comfort, and useful features in a way that makes it easy to recommend for most users. If you want a smartwatch that feels premium without being overly complicated, this one is definitely worth considering.

Author Profile

Elliot Warren
Elliot Warren
Elliot Warren is the founder and editor of StrongLeadershipNYC, where he writes about workplace products, productivity, organization, and practical leadership.

Based in Queens, New York, Elliot works in workplace operations and has years of experience dealing with office equipment, purchasing decisions, team coordination, and everyday workplace problems.

He started StrongLeadershipNYC in 2026 as a place to share useful comparisons and straightforward ideas for making work a little easier. Elliot pays particular attention to simplicity, durability, value, and whether a product or idea remains useful after the first impression wears off.