Seiko Prospex Sea Stainless Steel Automatic With Manual Winding 45mm SPB175

Case Size: Thickness:12.9mm Diameter:45.0mm Lug-to-lug:52.6mm
Crystal: Sapphire crystal with magnifier
LumiBrite: LumiBrite
Clasp: Three-fold clasp with secure lock
Distance between lugs: 20
Caliber Number: 6R35
Movement Type: Automatic with manual winding
Precision: 25 to -15 seconds per day
Power reserve: Approx. 70 hours
Jewels: 24
Functions: Stop second hand function, Date display
Water Resistance: 200m / 660ft diver's
Features: Serial number engraved on the case back, Unidirectional rotating bezel, Screw case back