Seiko Presage Sharp Edged Series Midnight 40.2 MM Automatic Watch SPB311J1

Caliber Number: 6R38

Movement Type: Automatic with manual winding

Precision: +25 to -15 seconds per day

Power reserve: Approx. 70 hours

Jewels: 24

Stop second hand function

Case Material: Stainless steel (super hard coating)

Case Size

Thickness:11.8mm

Diameter:40.2mm

Lug-to-lug:47.4mm

Crystal: Sapphire crystal

Crystal Coating: Anti-reflective coating on inner surface

LumiBrite: LumiBrite on hands and index(es)

Band Material: Calfskin

Clasp: Three-fold clasp with push button release

Distance between lugs: 20

Water Resistance: 10 bar

Weight: 88.0

See-through & Screw case back