Spring Drive



Driving system Spring Drive
Caliber No. 9R66
Case Stainless steel
Glass High definition dual-curved sapphire crystal
Coating Anti-reflection coating on inner surface
Crasp Three-fold clasp with push button release
Lumibright Hand and index
Accuracy ±1 per day (±15 seconds per month)
Water resistance 20 bar
Magnetic resistance 4800 A/m (60 gauss)
Weight 177.0 g
Case size Diameter 44.0mm  Thickness 14.7mm
Remarks ・Rotating basel (24hour display)
・Screw down crown
・Screw back
・Jewels: 30
・Dual time function with 24-hour display
・Power reserve display function
・Quick correction function of time difference adjusting to a calender
・Power reserve: Over 72 hours
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