Seiko Men's Prospex Sumo Padi Special Edition Diver Watch with Black Dial - SPB181

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

Case Material: Stainless steel

Case Size: Thickness: 12.9mm, Diameter: 45.0mm, Lug-to-lug:52.6mm

Crystal: Sapphire crystal

LumiBrite: LumiBrite on hands, index(es) and bezel

Clasp: Three-fold clasp with secure lock , push button release with extender

Distance between lugs: 20

Water Resistance: 200m / 660ft diver's

Weight: 188.0

Features: SPECIAL EDITION on the case back, Screw case back, Unidirectional rotating bezel, Screw-down crown