Apple Watch SE (3rd gen) Stainless 45mm
S10 SiP · Stainless 45mm · 2025
Apple Watch Series 7
2021 · Fitness + health
Apple Watch Series 7 takes it — here’s why.
In our weighted Specdex score, Apple Watch SE (3rd gen) Stainless 45mm lands at 83 and Apple Watch Series 7 at 84. That puts Apple Watch Series 7 ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Apple Watch SE (3rd gen) Stainless 45mm if…
- ✓Satellite connectivity (Ultra 3)
- ✓Blood pressure trends (Series 11)
- ✓watchOS 12
Pick Apple Watch Series 7 if…
- ✓Multi-day fitness tracking
- ✓GPS + heart rate
- ✓Notification mirroring
Winner by scenario
Derived from the sub-score breakdown · not a separate testDisplay
Apple Watch SE (3rd gen) Stainless 45mmCompared on the display sub-score
Apple Watch SE (3rd gen) Stainless 45mm leads on display (95 vs 88).
Fitness
Apple Watch SE (3rd gen) Stainless 45mmCompared on the fitness sub-score
Apple Watch SE (3rd gen) Stainless 45mm leads on fitness (94 vs 84).
Health
Apple Watch SE (3rd gen) Stainless 45mmCompared on the health sub-score
Apple Watch SE (3rd gen) Stainless 45mm leads on health (96 vs 82).
Value for money
Apple Watch Series 7Specdex score per dollar at MSRP
Apple Watch Series 7 more score per dollar ($399 vs $449).
Score breakdown
Specs side-by-side
| Spec | Apple Watch SE (3rd gen) Stainless 45mm | Apple Watch Series 7 |
|---|---|---|
| Chip | S10 SiP | — |
| Case | Stainless 45mm | — |
| Release year | 2025 | 2021 |
Apple Watch SE (3rd gen) Stainless 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
Apple Watch Series 7
- +Multi-day fitness tracking
- +GPS + heart rate
- +Notification mirroring
- −Battery life varies dramatically
- −Companion phone required
- −Screen-on drains battery
FAQ: Apple Watch SE (3rd gen) Stainless 45mm vs Apple Watch Series 7
Which is better, Apple Watch SE (3rd gen) Stainless 45mm or Apple Watch Series 7? +
Apple Watch Series 7 scores 84 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.
Is Apple Watch SE (3rd gen) Stainless 45mm worth the price? +
At $449, Apple Watch SE (3rd gen) Stainless 45mm delivers a Specdex score of 83 — strongest in health.
Is Apple Watch Series 7 worth the price? +
At $399, Apple Watch Series 7 delivers a Specdex score of 84 — strongest in display.
Does Apple Watch SE (3rd gen) Stainless 45mm or Apple Watch Series 7 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.
Which is better for display, Apple Watch SE (3rd gen) Stainless 45mm or Apple Watch Series 7? +
Apple Watch SE (3rd gen) Stainless 45mm — leads on display (95 vs 88). Compared on the display sub-score.
Which is better for fitness, Apple Watch SE (3rd gen) Stainless 45mm or Apple Watch Series 7? +
Apple Watch SE (3rd gen) Stainless 45mm — leads on fitness (94 vs 84). Compared on the fitness sub-score.