Seiko Men's Prospex Special Edition Ice Diver Watch with Gray Dial - SPB175

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 seconds hand function, Date display

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

Water Resistance: 200m / 660ft diver's

Features: Serial number engraved on the case back, Screw case back, Unidirectional rotating bezel