Apple Watch Series 4

A1977 · A1978 · Watch4,1 · Watch4,2 · Watch4,3 · Watch4,4 · 2018–2019 · watch

Specifications

Cpu: Apple S4 SiP (64-bit dual-core)
Battery: 18-hour rated
Display: LTPO OLED Retina display, larger edge-to-edge design
Storage: base: 16 GB · options:
Cellular: Optional LTE
Case Sizes: 40 mm · 44 mm
Os Support: latest: watchOS 10.6 · shipped: watchOS 5.0
Release Price: $399

Variants

Revisions

Apple Watch Nike+ (Series 4)2018 Nike+ collaboration

Apple Watch Hermès (Series 4)2018 Hermes collaboration

Apple Watch Edition (Ceramic, Series 4)2018, white ceramic case only

Sizes

40mm

44mm

Colors

Silver Aluminum2018 launch color

Space Gray Aluminum2018 launch color

Gold Aluminum2018 launch color

Silver Stainless Steel2018, steel case line

Space Black Stainless Steel2018, steel case line

Gold Stainless Steel2018, steel case line

Upgrade paths

battery

New OEM-spec cell · Display-first opening through adhesive with fragile cables; iFixit rates the repair as difficult.

~$35

HARD

storage

Flash soldered inside the sealed S4 SiP, not user-upgradable

LOCKED

other

Any band in the matching lug size · Bands swap tool-free via the slide-in lug system; 40 mm cases take 38 mm-class bands, 44 mm cases take 42 mm-class bands.

EASY