Seiko Cal. 6656 - 931

This Hand-Winding model from 1991 features a 40mm Stainless Steel case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c8b9f14be1c9]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1991

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