| Starting MSRP |
$399 (aluminum) / $699 (titanium) / $899 (ceramic) |
$399 (GPS) / $499 (5G) |
$799 |
$799 |
| Sizes |
42mm / 46mm |
42mm / 46mm |
49mm |
49mm |
| Case material |
Aluminum, titanium, or ceramic |
Aluminum or titanium |
Titanium |
Titanium |
| Weight (grams) |
42mm: 32.2 (aluminum GPS) / 31.5 (aluminum 5G) / 36.5 (titanium) / 41.7—42.8 (ceramic) |
42mm: 30.3 (aluminum GPS) / 29.7 (aluminum 5G) / 34.6 (titanium) |
63.0 (natural) / 63.1 (black) |
61.6 (natural) / 61.8 (black) |
| Display |
Always-On Retina LTPO3 OLED / wide-angle OLED |
Always-On Retina LTPO3 OLED / wide-angle OLED |
Always-On Retina LTPO3 OLED / wide-angle OLED |
Always-On Retina LTPO3 OLED / wide-angle OLED |
| Screen brightness |
Up to 2,000 nits |
Up to 2,000 nits |
Up to 3,000 nits |
Up to 3,000 nits |
| Screen resolution |
42mm: 374 x 449 |
42mm: 374 x 446 |
422 x 514 |
422 x 514 |
|
46mm: 416 x 496 |
46mm: 416 x 496 |
|
|
| Minimum brightness |
1 nit |
1 nit |
1 nit |
1 nit |
| Processor |
S11 with 64-bit dual-core processor |
S10 with 64-bit dual-core processor |
S11 with 64-bit dual-core processor |
S10 with 64-bit dual-core processor |
| Ultra wideband chip (second-gen) |
Yes |
Yes |
Yes |
Yes |
| Operating system |
watchOS 27 |
watchOS 26 |
watchOS 27 |
watchOS 26 |
| Water resistance |
Water resistant up to 50 meters |
Water resistant up to 50 meters |
Water resistant up to 100 meters |
Water resistant up to 100 meters |
| Dust resistance |
IP6X-rated |
IP6X-rated |
IP6X-rated / tested to MIL-STD 810H |
IP6X-rated / tested to MIL-STD 810H |
| Connectivity |
Wi-Fi 4 (2.4 and 5GHz) + L1 GPS + Bluetooth 5.3 |
Wi-Fi 4 (2.4 and 5GHz) + L1 GPS + Bluetooth 5.3 |
Wi-Fi 4 (2.4 and 5GHz) + precision dual-frequency GPS + Bluetooth 5.3 + 5G |
Wi-Fi 4 (2.4 and 5GHz) + precision dual-frequency GPS + Bluetooth 5.3 + 5G |
| Storage |
64GB |
64GB |
64GB |
64GB |
| Estimated battery life |
Up to 24 hours; 38 hours in low-power mode |
Up to 24 hours; 38 hours in low-power mode |
Up to 50 hours; 84 hours in low-power mode |
Up to 42 hours; 72 hours in low-power mode |
| Fast charging |
Yes (80 percent in about 30 minutes) |
Yes (80 percent in about 30 minutes) |
Yes (80 percent in about 45 minutes) |
Yes (80 percent in about 45 minutes) |
| Features |
Siri, Apple Pay, single tap, double tap, wrist flick |
Siri, Apple Pay, single tap, double tap, wrist flick |
Siri, Apple Pay, single tap, double tap, wrist flick |
Siri, Apple Pay, single tap, double tap, wrist flick |
| Health tracking |
Sleep, cycle tracking with retrospective ovulation estimates, third-generation optical heart sensor, ECG, hypertension, blood oxygen |
Sleep, cycle tracking with retrospective ovulation estimates, third-generation optical heart sensor, ECG, hypertension, blood oxygen |
Sleep, cycle tracking with retrospective ovulation estimates, third-generation optical heart sensor, ECG, hypertension, blood oxygen |
Sleep, cycle tracking with retrospective ovulation estimates, third-generation optical heart sensor, ECG, hypertension, blood oxygen |
| Health notifications |
Sleep apnea, hypertension, high/low/irregular heart, fall detection, crash detection |
Sleep apnea, hypertension, high/low/irregular heart, fall detection, crash detection |
Sleep apnea, hypertension, high/low/irregular heart, fall detection, crash detection |
Sleep apnea, hypertension, high/low/irregular heart, fall detection, crash detection |
| Environmental tracking |
Temperature sensor, compass, offline maps, always-on altimeter |
Temperature sensor, compass, offline maps, always-on altimeter |
Temperature sensor, compass, offline maps, always-on altimeter |
Temperature sensor, compass, offline maps, always-on altimeter |
| Emergency SOS |
Yes (cellular only) |
Yes (cellular only) |
Yes (cellular, satellite) |
Yes (cellular, satellite) |
| Built-in mic and speaker |
Yes |
Yes |
Yes, triple-mic array, dual speakers |
Yes, triple-mic array, dual speakers |
| Media playback |
Yes |
Yes |
Yes |
Yes |
| Siren |
No |
No |
Yes |
Yes |
| Night mode |
No |
No |
Yes |
Yes |
| Water temperature and depth sensors |
Depth gauge up to 6m and water temperature sensor; Oceanic Plus app for snorkeling |
Depth gauge to 6m and water temperature sensor; Oceanic Plus app for snorkeling |
Depth gauge to 40m and water temperature sensor; Oceanic Plus app for use as a dive computer |
Depth gauge to 40m and water temperature sensor; Oceanic Plus app for use as a dive computer |
| Colors |
Aluminum: dark bronze, light gold, black, space gray; titanium: radiant gold, natural; ceramic: pearl white, night blue |
Aluminum: jet black, rose gold, silver; titanium: slate, gold, natural |
Natural, black |
Natural, black |
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