Seiko Presage Sharp Edged Series Automatic 39.3 MM Watch - SPB231J1

Caliber Number: 6R35

Movement Type: Automatic with manual winding

Precision: +25 to -15 seconds per day

Power reserve: Approx. 70 hours

Jewels: 24

Stop second hand function

Date display

Case Material: Stainless steel (super hard coating)

Case Size

Thickness:11.1mm

Diameter:39.3mm

Lug-to-lug:47.2mm

Crystal: Sapphire crystal

Crystal Coating: Anti-reflective coating on inner surface

LumiBrite: Lumibrite on hands and index(es)

Band Material: Horse Skin

Clasp: Three-fold clasp with push button release

Distance between lugs: 20mm

Water Resistance: 10 bar

See-through & Screw case back