Seiko Cal. 6136 - 691

This Hand-Winding model from 1991 features a 37mm Titanium case. With its 19mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-d6ce43bd8e5f]

Also known as: Samurai, Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1991

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