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Silver aluminium 40 mm smartwatch with 1.57 inch display

Apple

Apple Watch Series 4 40 mm Silver GPS Only

SKU CH-0SPY-QQWEJ

A 40 mm aluminium smartwatch with a 1.57 inch 394 x 324 Retina OLED display, swimproof to 50 metres, Siri voice control and a 291 mAh battery

  • ColorSilver
  • Case MaterialAluminium
  • Band40mm
  • OS CompatibilityiOS
  • Screen Size1.57"

Option GPS Only

  • 57" Retina OLED display with 394 x 324 pixel resolution
  • Swimproof design rated up to 50 metres water resistance
  • Digital Crown with haptic feedback for precise control
  • 16 GB flash storage and 1 GB RAM for smooth performance
  • 291 mAh Li-Ion battery with USB-A magnetic charging

Product Identity

The Apple Watch Series 4 40 mm Silver GPS Only is a compact smartwatch built for iOS users who want core health tracking and notifications on the wrist. Its aluminium case and 1.57" Retina OLED display suit daily wear and swim sessions.

Interface Limits

GPS-only connectivity means the watch relies on a paired iPhone for data and calls when away from known Wi-Fi networks. The USB-A magnetic charger requires a compatible port or adapter, and the 291 mAh battery supports typical all-day use.

Installation Notes

Pairing is handled through the Watch app on an iPhone running a supported iOS version. The non-removable band design means sizing must be correct at purchase, and the magnetic charger aligns automatically but can disconnect if knocked.

Highlights

  • 57" Retina OLED display with 394 x 324 pixel resolution
  • Swimproof design rated up to 50 metres water resistance
  • Digital Crown with haptic feedback for precise control
  • 16 GB flash storage and 1 GB RAM for smooth performance
  • 291 mAh Li-Ion battery with USB-A magnetic charging

Specifications

BrandApple
ColorSilver
Case MaterialAluminium
Band40mm
OS CompatibilityiOS
Screen Size1.57"

Other versions of this model

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Questions about this item

Should I choose the 40 mm or the 16 GB version?

The 40 mm figure is the case size, while 16 GB is the internal flash storage. Both are fixed on this model, so you do not select between them.

What does the 394 x 324 pixel resolution look like on the 1.57 inch display?

The Retina OLED panel packs those pixels into a compact 1.57 inch screen, giving sharp text and clear graphics at normal viewing distance.

How does the USB-A magnetic charger affect charging speed?

The watch draws power through the magnetic USB-A connector from a standard USB-A port; the 291 mAh cell charges fully in a typical session.

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