Seiko Prospex SPB117J1 Alpinist Automatic Watch

Movement Caliber Number 6R35
Automatic with manual winding
Power reserve Approx. 70 hours
Jewels 24
Functions
Stop second hand function
Date display
Stainless steel Case and Band
Case Size
Thickness:13.2mm
Diameter:39.5mm
Lug-to-lug:46.4mm
Sapphire crystal with magnifier
Anti-reflective coating on inner surface
LumiBrite on hands and index(es)
Three-fold clasp with push button release
Distance between lugs: 20 mm
Water Resistance 20 bar
Weight 147g
Rotating compass inner ring
Screw-down crown
See-through & Screw case back"