Seiko Men's Prospex Turtle Diver Watch with Blue Dial & Black Silicone Strap - SRPC91

Caliber Number: 4R36

Movement Type: Automatic with manual winding

Power reserve: Approx. 41 hours

Jewels: 24

Functions: Stop second hand function, Day/Date display

Case Size: Thickness: 13.4mm, Diameter: 45.0mm

Crystal: Hardlex

LumiBrite: LumiBrite on hands and index(es)

Band Material: Silicone

Distance between lugs: 22

Water Resistance:200m / 660ft diver's

Features: Unidirectional rotating bezel, Screw case back