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Apple Watch Series 4 Aluminum Specifications
GPS + Cellular versions: A1975, A1976 (NA); A2007, A2008 (EU, APAC, CN) GPS versions: A1977, A1978
Apple
Released 2018, Sep 15
1 GB RAM · Apple S4
- 36.7g, 10.7mm thickness
- watchOS 5.0, up to watchOS 10.6.2
- 16GB 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 | 6.9 | — |
| Display | 7.6 | — |
| 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
1.78"
448x368 pixels
NO
No video recorder
1GB RAM
Apple S4
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 / 2100 / 800 - Europe, Australia | |
| ??? | HSDPA 850 / 1700(AWS) / 1900 / 800 - USA, LATAM, Canada | |
| ??? | HSDPA 2100 - China | |
| 4G bands | 1, 3, 5, 7, 8, 18, 19, 20, 26 - Europe, Australia | |
| ??? | 2, 4, 5, 12, 13, 17, 18, 19, 25, 26, 41 - USA, LATAM, Canada | |
| ??? | 1, 3, 39, 40, 41 - China | |
| Speed | HSPA, LTE |
|
Launch
|
Announced | 2018, September. Released 2018, September |
|---|---|---|
| Status | Discontinued |
|
Body
|
Dimensions | 44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in) |
|---|---|---|
| Weight | 36.7 g (1.31 oz) | |
| Build | Glass front, ceramic/sapphire crystal back, aluminum frame | |
| SIM | eSIM | |
| ??? | 50m water resistant ECG certified (region dependent SW application; HW available on all models) |
|
Display
|
Type | Retina LTPO OLED, 1000 nits (peak) |
|---|---|---|
| Size | 1.78 inches | |
| Resolution | 448 x 368 pixels (~326 ppi density) | |
| Protection | Ion-X strengthened glass | |
| ??? | 3D Touch display |
|
Platform
|
OS | watchOS 5.0, upgradable to watchOS 10.6.2 |
|---|---|---|
| Chipset | Apple S4 | |
| CPU | Dual-core | |
| GPU | PowerVR |
|
Memory
|
Card slot | No |
|---|---|---|
| Internal | 16GB 1GB RAM |
|
Camera
|
??? | No |
|---|
|
Sound
|
Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | No |
|
Comms
|
WLAN | Wi-Fi 802.11 b/g/n |
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | |
| Positioning | GPS, GLONASS, GALILEO, QZSS | |
| NFC | Yes | |
| Radio | No | |
| USB | No |
|
Features
|
Sensors | Accelerometer, gyro, heart rate, barometer |
|---|---|---|
| ??? | Natural language commands and dictation (talking mode) |
|
Battery
|
Type | Li-Ion 292 mAh (1.12 Wh), non-removable |
|---|---|---|
| Charging | Wireless |
|
Misc
|
Colors | Silver, Gold, Space Gray |
|---|---|---|
| Models | A1975, A1976, A2007, A2008, A1977, A1978 | |
| Price | About 430 EUR |
Apple Watch Series 4 Aluminum official images
Frequently asked questions
Is Apple Watch Series 4 Aluminum worth buying in 2026?
Apple Watch Series 4 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 4 Aluminum?
Apple Watch Series 4 Aluminum has a 292 mAh battery. Real-world endurance depends on chipset efficiency, display, and usage.
What display size does Apple Watch Series 4 Aluminum have?
Apple Watch Series 4 Aluminum features a 1.78-inch display. See the Display section for resolution, refresh rate, and panel details.
How much RAM does Apple Watch Series 4 Aluminum have?
Apple Watch Series 4 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 4 Aluminum?
Genze rates Apple Watch Series 4 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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