Apple Watch (1st generation) (42mm)

This is the larger of the two sizes of Apple's first watch, which paired with an iPhone for notifications, calls, activity tracking and Apple Pay. The 42mm case has a 312×390 display, against 272×340 on the 38mm model. Both sizes have the same S1 chip, Digital Crown, Force Touch display and heart-rate sensor, and neither has GPS. The 42mm model is A1554, and the 38mm model is A1553.

Model number

A1554

Model identifier

Watch1,2

Released

2015

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