Comparison · Fitness watches · Desk research
Apple Watch Series 11 vs Apple Watch Series 12
Quick Answer
Series 11 (Support 125093, 2025) and Series 12 (apple.com/apple-watch-series-12/specs/, 9 September 2026) share 42mm / 46mm Always-On LTPO3 wide-angle OLED at 374×446 / 416×496 and 326 ppi, 2,000 nits peak, 64GB, L1 GPS, 50m, IP6X, ECG / Blood Oxygen, and Apple’s 24-hour / 38-hour Low Power table. Both sit on the watchOS 27 list. Series 11 is S10 with a 4-core Neural Engine, Ion-X (aluminum, 2x scratch vs Series 10 Ion-X) or sapphire (titanium), depth gauge to 6 meters, ~80%.
The verdict
Apple Watch Series 11 or Apple Watch Series 12 — quote the two manufacturer sheets.
Why: One-year everyday Series hop. Both are 42/46mm Always-On LTPO3 watches on Apple’s watchOS 27 list, with 24-hour normal / 38-hour Low Power tables, L1 GPS, 50m, IP6X, ECG, and 64GB. Series 11 (Support 125093, 2025) is S10, 4-core Neural Engine, 2000 nits, Ion-X (aluminum) or sapphire (titanium), ~80% in 30 minutes, 15 min ≈ 8 hours. Series 12 (2026 specs / Newsroom) is S11, Health Sensing System, Ceramic Shield 2 on aluminum, 15 min ≈ 12 hours, $399 US start. Do not write dual-frequency GPS or satellite onto Series 12.
Buy Apple Watch Series 11 if
You already wear Series 11 — or a dated leftover — and S10 plus the 24/38-hour table still match how you use the watch.
Buy Apple Watch Series 12 if
You want this year’s everyday Series: S11, Health Sensing System, Ceramic Shield 2 on aluminum, and Apple’s $399 Newsroom start.
Spec comparison
Series 11 from Apple Support 125093. Series 12 from apple.com/apple-watch-series-12/specs/.
| Spec | Series 11 | Series 12 |
|---|---|---|
| Year | 2025 | 2026 (Newsroom 9 September 2026) |
| Case size(s) | 42mm and 46mm | 42mm and 46mm (ceramic cases 43mm / 47mm tall) |
| Display | Always-On LTPO3 wide-angle OLED; 374×446 / 416×496; 326 ppi; 2,000 nits; 1 nit min | Always-On LTPO3 wide-angle OLED; same pixel grid; 2,000 nits; 1 nit min |
| Front crystal | Ion-X (aluminum); sapphire (titanium) | Ceramic Shield 2 (aluminum); sapphire (titanium and ceramic) |
| Chip / storage | S10; 4-core Neural Engine; 64GB | S11; 64GB |
| Heart rate | Third-generation optical + electrical | Health Sensing System |
| Battery — normal / Low Power | 24h / 38h | 24h / 38h |
| Fast charge (OEM) | ~80% in about 30 minutes; 15 min ≈ 8 hours | ~80% in about 30 minutes; 15 min ≈ 12 hours |
| GNSS | L1 GPS | Precision L1 GPS |
| Water / dust | 50m; IP6X; depth gauge to 6m | 50m; IP6X |
| watchOS 27 | Named (Series 9 or later) | Named |
| US start (dated) | Leftover — date tickets | $399 (Newsroom, 9 September 2026) |
Frequently asked questions
Did the battery table jump from Series 11 to Series 12?
Not on the named normal-use / Low Power rows. Both list up to 24 hours normal and 38 hours Low Power. Fast-charge 15-minute equivalents differ: Series 11 Support ≈ 8 hours; Series 12 specs ≈ 12 hours.
Does Series 12 have dual-frequency GPS or satellite?
Series 12 specs list Precision L1 GPS and do not list Ultra-class satellite hardware. Those rows live on Ultra 4.