Seiko Cal. 6136 - 861

This Spring Drive model from 1966 features a 37mm Stainless Steel case. It features a Cream dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-ec34038aaf89]

Also known as: Sumo, Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1966

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