Seiko Cal. 6131 - 884

This Hand-Winding model from 1975 features a 37mm Stainless Steel case. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-b594908a6dc7]

Also known as: Samurai, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1975

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