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Seiko "Rotocall" SMGG21P1

Seiko "Rotocall" SMGG21P1

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. 

Movement

Calibre Number A824
Movement Type Quartz
Precision ±20 seconds per month
Battery Life Approx. 3 years
Functions
  • Rotary switch
  • Chronograph up to 100 hours in 1/105 second increments
  • Alarm function (single-time alarm)
  • Dual-time function
  • Battery life warning function

Case/Band

Case Material Stainless Steel
Case Size
  • Thickness: 10.6mm
  • Diameter: 37.0mm
  • Lug-to-lug: 43.5mm
Crystal Hardlex
Clasp Three-fold clasp with push button release
Distance between lugs 20mm

Other Details

Water Resistance 10 bar
Weight 107.0g
Features
  • Rotating bezel
  • Screw case back