Seiko Digital Rotocall SMGG21 37mm

Seiko Digital Rotocall SMGG21

No Codes Needed

A new creation pays homage to the fan-favorite 1980s watch once known as the Seiko Rotocall.

The new model is based on a classic digital watch design from 1982 known as the Rotocall. This iconic creation featured a distinctive octagonal rotary switch that revolutionized the way users changed modes by simply rotating the bezel. The unique design, along with its popularity among astronauts, contributed to this model’s strong international recognition.

Steel Case 37mm

Lugs 20mm

Lug-to-lug 43.5mm

Thickness 10.6mm

Specs & Functions:

Quartz Caliber Number A824 

Precision ±20 seconds per month

Battery life Approx. 3 years

Hardlex Crystal

Rotary switch

Chronograph up to 100 hours in 1/100 second increments

Alarm function (single-time alarm)

Dual-time function

Battery life warning function

Water resistant 100m