Seiko Cal. 6131 - 204

This Hand-Winding model from 1972 features a 40mm Stainless Steel case. It features a Black dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-19bf09366c22]

Also known as: Shogun, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1972

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