Seiko Rotocall Quartz Chronograph Digital Dial Men's Watch SMGG21

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.

Case: Stainless steel
Case Diameter: 37mm
Case Thickness: 10.6mm
Case Length: 43.5mm
Crystal: Hardlex 
Water Resistance: 10 bar, 100 meters (330 feet)
Dial Color: Gray, Blue
Strap: Stainless steel bracelet
Lug Width:  20mm
Movement:Quartz
Caliber A824
Battery life Approx. 3 years
Clasp: Three-fold clasp with push button release
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

Features

• Rotating bezel
• Screw case back