Seiko – Rotocall Digital Quartz 37mm SMGG21

Description

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

Caliber Number: A824

Movement Type: Quartz

Precision: ±20 seconds per month

Battery Life: Approx. 3 years

Functions:

• • Rotary switch
  • Chronograph up to 100 hours in 1/100 second increments
  • Alarm function (single-time alarm)
  • Dual-time function
  • Battery life warning function

Case/Band

Case Material: Stainless steel

Case Size: 

• • Thickness: 10.6 mm
  • Diameter: 37.0 mm
  • Lug-to-lug: 43.5 mm

Crystal: Hardlex

Clasp: Three-fold clasp with push button release

Bracelet Length: 195.0

Distance between lugs: 20

Other Details

Water Resistance: 10 bar (100 m /328 ft)

Weight: 107.0 g

Features:

• • Rotating bezel
  • Screw case back