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
Power reserve: Approx. 3 years
Jewels: –
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: 10.6mm, Diameter: 37.0mm, Lug-to-lug: 43.5mm
Crystal: Hardlex
Crystal Coating: –
Water Resistance: 10 bar
Band Material: –
Clasp: Three-fold clasp with push button release
Bracelet Length: 195.0mm
Distance between lugs: 20mm
Other Details
Magnetic Resistance: –
Weight: 107.0g
Features:
Rotating bezel
Screw case back