Seiko Prospex Sea SRPL51

Movement
Caliber Number: 4R35
Movement Type: Automatic with manual winding
Power reserve: Approx. 41 hours
Jewels: 23
Functions: 
Stop second hand function
Date display

Case/Band
Case Material: Stainless steel
Case Size
Thickness:12.3mm
Diameter:41.7mm
Lug-to-lug:49.5mm
Crystal: Hardlex
LumiBrite:LumiBrite on hands, index(es) and bezel
Clasp: Three-fold clasp with secure lock , push button release with extender
Distance between lugs: 20

Other Details
Water Resistance: 200m / 660ft diver's
Magnetic Resistance: 4,800 A/m
Weight: 170.0g
Features: 
Unidirectional rotating bezel
Screw-down crown
Three-fold clasp with secure lock
Screw case back