Seiko Prospex Diver Automatic Watch, SRPL51

Case Size: 41.7 mm

Case and Band Material: Stainless steel 

Crystal: Hardlex

Movement: Automatic with manual winding 

Caliber: 4R35

Power reserve: approximately 41 hours

Water resistance: 200m / 660ft diver's

Features: Unidirectional rotating bezel, Screw-down crown, Three-fold clasp with secure lock, Screw case back

Style#: SRPL51