Apple Watch SE (3rd gen) Aluminum 41mm
S10 SiP · Aluminum 41mm · 2025
Apple Watch SE (3rd gen) Aluminum 45mm
S10 SiP · Aluminum 45mm · 2025
Dead heat — it comes down to priorities.
In our weighted Specdex score, Apple Watch SE (3rd gen) Aluminum 41mm lands at 83 and Apple Watch SE (3rd gen) Aluminum 45mm at 83. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Apple Watch SE (3rd gen) Aluminum 41mm if…
- ✓Satellite connectivity (Ultra 3)
- ✓Blood pressure trends (Series 11)
- ✓watchOS 12
Pick Apple Watch SE (3rd gen) Aluminum 45mm if…
- ✓Satellite connectivity (Ultra 3)
- ✓Blood pressure trends (Series 11)
- ✓watchOS 12
Winner by scenario
Derived from the sub-score breakdown · not a separate testHealth
TieCompared on the health sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Display
TieCompared on the display sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Fitness
TieCompared on the fitness sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Value for money
TieSpecdex score per dollar at MSRP
Effectively tied — similar score-per-dollar at MSRP.
Score breakdown
Specs side-by-side
| Spec | Apple Watch SE (3rd gen) Aluminum 41mm | Apple Watch SE (3rd gen) Aluminum 45mm |
|---|---|---|
| Chip | S10 SiP | S10 SiP |
| Case | Aluminum 41mm | Aluminum 45mm |
| Release year | 2025 | 2025 |
Apple Watch SE (3rd gen) Aluminum 41mm
- +Satellite connectivity (Ultra 3)
- +Blood pressure trends (Series 11)
- +watchOS 12
- −iPhone-required
- −Battery ~18 h on Series, ~48 h on Ultra
- −Premium pricing
Apple Watch SE (3rd gen) Aluminum 45mm
- +Satellite connectivity (Ultra 3)
- +Blood pressure trends (Series 11)
- +watchOS 12
- −iPhone-required
- −Battery ~18 h on Series, ~48 h on Ultra
- −Premium pricing
FAQ: Apple Watch SE (3rd gen) Aluminum 41mm vs Apple Watch SE (3rd gen) Aluminum 45mm
Which is better, Apple Watch SE (3rd gen) Aluminum 41mm or Apple Watch SE (3rd gen) Aluminum 45mm? +
Both score 83 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Apple Watch SE (3rd gen) Aluminum 41mm worth the price? +
At $249, Apple Watch SE (3rd gen) Aluminum 41mm delivers a Specdex score of 83 — strongest in health.
Is Apple Watch SE (3rd gen) Aluminum 45mm worth the price? +
At $249, Apple Watch SE (3rd gen) Aluminum 45mm delivers a Specdex score of 83 — strongest in health.
Does Apple Watch SE (3rd gen) Aluminum 41mm or Apple Watch SE (3rd gen) Aluminum 45mm last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.