Seiko Cal. 0786 - 227

This Spring Drive model from 1974 features a 36mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-02769f488353]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1974

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