Caliber Number: 4R57
Movement Type: Automatic with manual winding
Power reserve: Approx. 41 hours
Jewels: 29
Functions: Date hand, Power reserve indicator,Stop second hand function
Case Material: Stainless steel
Case Size: Thickness:14.3mm,Diameter:40.8mm,Lug-to-lug:48.9mm
Crystal: Box-shaped Hardlex
LumiBrite: Lumibrite on hands and index(es)
Clasp: Three-fold clasp with push button release
Distance between lugs: 20mm
Water Resistance: 5 bar
Weight: 148.0g