Apple Watch SE 3 or Series 12? A 5,400-baht difference — what else could that money buy
SE 3 starts at 8,900 baht, Series 12 at 14,300 baht; the key differences come down to health sensors, battery life and the display
Starting price — SE 3: 8,900 baht · Series 12: 14,300 baht (5,400-baht gap)
Case — SE 3: 40/44mm aluminum · Series 12: 42/46mm (aluminum, titanium, ceramic)
Chip/RAM — SE 3: S10 (2024), 2GB · Series 12: S11 (2026), 4GB
Display — SE 3: up to 1,000 nits, Ion-X · Series 12: LTPO3, 2,000 nits, Ceramic Shield 2 / sapphire · IP6X
Battery — SE 3: 18 hrs, 0-80% charge ~45 min · Series 12: 24 hrs, 0-80% charge 30 min (5-min charge = 10 hrs of sleep tracking)
Workout tracking — SE 3: 7 hrs · Series 12: 10 hrs
Health — Series 12 only: heart rate every 5 sec · Recovery HRV · Readiness Score · ECG · Blood oxygen · High blood pressure alerts
Series 12 extras — 5GHz Wi-Fi · 2nd-gen UWB · Precision Finding · Siri Recap · Always-on Shazam · Water sensor + 6m Depth Gauge
Both models have — Always-on display · Wrist temperature sensor · Sleep Apnea alerts · Retrospective ovulation estimate · 5G (cellular models) · 64GB storage
Source: Techhaus Thailand
