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Apple Watch Series 7 Aluminum Specifications
GPS + Cellular versions: A2476 41mm, A2478 45mm (International); A2475 41mm, A2477 45mm (USA, LATAM, Canada) GPS versions: A2473 41mm, A2474 45mm (Global)
Apple
Released 2021, Oct 15
1 GB RAM · Apple S7
- 32g (41mm), 38.8g (45mm), 10.7mm thickness
- watchOS 8.0, up to watchOS 26.5
- 32GB storage, no card slot
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Genze vs community
Genze and community ratings are both shown on a /10 scale. Genze is derived from internal model scores and price rules; community averages come from approved reviews (1–10 per category).
| Category | Genze /10 | Users /10 |
|---|---|---|
| Battery | 6.8 | — |
| Display | 7.8 | — |
| Performance | 3.5 | — |
| Camera | 0.0 | — |
| Body | 5.6 | — |
| Gaming | 0.0 | — |
| Software | 4.4 | — |
| Connectivity | 2.5 | — |
| Sensors | 7.2 | — |
| Software updates | — | — |
| Clean software | — | — |
| Heating | — | — |
| Media | — | — |
Community columns fill in when reviews are approved.
Quick specifications
1.9"
484x396 pixels
NO
1GB RAM
Apple S7
309mAh
5W
Score breakdown
From specs, price tier & release year
Low camera score: Genze checks parsed camera fields (OIS, telephoto, LiDAR, etc.) against this price tier’s requirements—not the raw spec text alone.
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Full specifications
|
Network
|
Technology | GSM / HSPA / LTE |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International | |
| ??? | HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada | |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International | |
| ??? | 1, 2, 3, 4, 5, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada | |
| Speed | HSPA, LTE |
|
Launch
|
Announced | 2021, September 14 |
|---|---|---|
| Status | Available. Released 2021, October 15 |
|
Body
|
Dimensions | 45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in) |
|---|---|---|
| Weight | 32 g (41mm), 38.8 g (45mm) (1.13 oz) | |
| Build | Glass front, ceramic/sapphire crystal back, aluminum frame | |
| SIM | eSIM | |
| ??? | IP6X certified 50m water resistant ECG certified (region dependent SW application; HW available on all models) |
|
Display
|
Type | Retina LTPO OLED, 1000 nits (peak) |
|---|---|---|
| Size | 1.9 inches | |
| Resolution | 484 x 396 pixels (~326 ppi density) | |
| Protection | Ion-X strengthened glass |
|
Platform
|
OS | watchOS 8.0, upgradable to watchOS 26.5 |
|---|---|---|
| Chipset | Apple S7 | |
| CPU | Dual-core | |
| GPU | PowerVR |
|
Memory
|
Card slot | No |
|---|---|---|
| Internal | 32GB 1GB RAM | |
| ??? | eMMC 5.1 |
|
Camera
|
??? | No |
|---|
|
Sound
|
Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | No |
|
Comms
|
WLAN | Wi-Fi 802.11 b/g/n, dual-band |
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | |
| Positioning | GPS, GLONASS, GALILEO, QZSS, BDS | |
| NFC | Yes | |
| Radio | No | |
| USB | No |
|
Features
|
Sensors | Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max |
|---|---|---|
| ??? | Ultra Wideband (UWB) support |
|
Battery
|
Type | Li-Ion 309 mAh (1.19 Wh) |
|---|---|---|
| Charging | Wireless, 0-80% in 45 min |
|
Misc
|
Colors | Starlight, Midnight, Blue, Green, Red |
|---|---|---|
| Models | A2473, A2474, A2475, A2476, A2477, A2478, watch6,6, watch6,7, watch6,8, watch6,9 | |
| SAR | 1.10 W/kg (head) | |
| SAR EU | 0.70 W/kg (head) 1.50 W/kg (body) | |
| Price | About 500 EUR |
Apple Watch Series 7 Aluminum official images
Frequently asked questions
Is Apple Watch Series 7 Aluminum worth buying in 2026?
Apple Watch Series 7 Aluminum is worth considering if its strengths match your priorities. Genze scores it 5.5/10 for its class. Read owner reviews and compare alternatives before you buy.
What is the battery capacity of Apple Watch Series 7 Aluminum?
Apple Watch Series 7 Aluminum has a 309 mAh battery. Real-world endurance depends on chipset efficiency, display, and usage.
What display size does Apple Watch Series 7 Aluminum have?
Apple Watch Series 7 Aluminum features a 1.90-inch display. See the Display section for resolution, refresh rate, and panel details.
How much RAM does Apple Watch Series 7 Aluminum have?
Apple Watch Series 7 Aluminum is available with 1 GB RAM variants. Storage options are listed in the Memory section.
What is the Genze score for Apple Watch Series 7 Aluminum?
Genze rates Apple Watch Series 7 Aluminum 5.5/10 based on performance, display, camera, battery, body build, and value versus phones in the same price tier.
Where do these specifications come from?
Specifications are compiled from official manufacturer and carrier sources, reviewed by our editors where possible, and enriched with Genze scores and community feedback. GenZe Rank is not responsible for errors or omissions. Regional variants, firmware updates, and retailer listings may differ from what is shown here—always confirm critical details on the official product page before you buy.
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