Who is the Apple - Watch SE 3 for?
Entry-tier smartwatche. Below 58 on the Mars Score means several weighted specs trail the category leaders by a wide margin.
Only consider if there's a specific reason — price, brand loyalty, ecosystem fit. The best smartwatches page will show what your money buys at a higher tier.
Mars Score is computed from 17 measured specs against the transparent formula for the smartwatches category. No editorial picks, no paid placement.
Pros and cons at a glance
- ▲GPS — supported.
- ▲Cellular — supported.
- ▼Always-on display — not supported.
- ▼ECG — not supported.
- ▼SpO2 — not supported.
- ▼Battery life: 18 h (below category average).
Pros are specs scoring ≥75% of the category normalization range. Cons are ≤35%. Derived from the Mars Score formula — no hand-curated lists.
At a glance
- Display size
- 1.78"
- Case size
- 44mm
- Battery life
- 18h
- OS
- watchOS
All specifications
Design
- Case size
- 44 mm
- Weight
- 33 g
- Case material
- aluminum
- Water resistance?
- 5 ATM
Display
- Display size
- 1.78 "
- Always-on display
- false
- Peak brightness?
- 1000 nits
Health & Fitness
- ECG
- false
- SpO2
- false
- Temperature sensor
- false
- Sleep tracking
- true
- Blood pressure
- false
Battery & Connectivity
- Battery life
- 18 h
- GPS
- true
- Cellular
- true
- NFC
- true
- OS
- watchOS
Latest from the lab
All lab reports →Popular comparisons featuring the Apple - Watch SE 3
Top 8 closest matchups in the Smartwatches category. Sorted by Mars Score proximity — these are the fights most worth your time.
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