Seiko Prospex Sea Automatic With Manual Winding 45mm SRPE99

Case Size: Thickness:13.4mm Diameter:45.0mm
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: 22
Caliber Number: 4R36
Movement Type: Automatic with manual winding
Power reserve: Approx. 41 hours
Jewels: 24
Functions: Stop second hand function, Day/Date display
Water Resistance; 200m / 660ft diver's
Weight: 195.0g
Features: Unidirectional rotating bezel, Screw-down crown, Screw case back