Model Numbers

GPS Only

A2473 (41mm), A2474 (45mm)

GPS + Cellular

A2475 (North America, 41mm), A2477 (North America, 45mm), A2476 (Europe, Asia Pacific, China mainland, 41mm), A2478 (Europe, Asia Pacific, China mainland, 45mm)

GPS + Cellular models feature a red ring on the Digital Crown.

Very similar design to Series 6 with the Blood Oxygen sensor.

The back cover is ceramic, with “Series 7” written on it.