Seiko Cal. 6631 - 515

This Hand-Winding model from 1995 features a 40mm PVD Black case. Powered by the 6631 caliber with 26j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-d9608e5982cb]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1995

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