Seiko 5 Sports 40 MM Full Stainless Steel Black Dial Automatic Watch - SRPE55K1

Caliber Number: 4R36

Movement Type: Automatic with manual winding

Power reserve: Approx. 41 hours

Jewels: 24

Stop second hand function

Day/Date display

Case Material: Stainless steel

Case Size

Thickness:11.5mm

Diameter:40.0mm

Lug-to-lug:44.6mm

Crystal: Hardlex

LumiBrite: Lumibrite on hands and index(es)

Clasp: Three-fold clasp with push button release

Distance between lugs: 20mm

Water Resistance: 10 bar

Weight: 142.0g

Three-fold clasp with secure lock

See-through & Screw case back