Caliber Number: 6R31
Movement Type: Automatic with manual winding
Precision: +25 to -15 seconds per day
Power reserve: Approx. 70 hours
Jewels: 24
Functions: Stop second hand function
Case Material: Stainless steel
Case Size: Thickness:12.1mm ,Diameter:34.3mm,Lug-to-lug:42.5mm
Crystal: Dual-curved sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface
Band Material: Calfskin
Clasp: Three-fold clasp with push button release
Distance between lugs: 15mm
Water Resistance: 5 bar
Weight: 61.0g