Model No:SF747S
Movement:Japan VH31 Quartz Movement
Battery Model:SR920SW
Case Material:Cusn8 Bronze
Mirror:Sapphire Mirror+AR Coating
Strap:Rubber Strap/Leather Strap
Case Back:Screw-down Case Back
Case Diameter:40mm
Case Thickness:13.05mm
Lug To Lug:48mm
Strap Width:20mm
Mirror Size:32.5*3.10mm (Diameter*Thickness)
Crown:Screw-down Crown
Crown Diameter:10mm
Luminous:C3 Luminous
Waterproof:200m
Hands Length:11.0*14.5*14.5mm（（Hour Hand*Minute Hand*Second Hand）