Seiko Cal. 6136 - 978

This Hand-Winding model from 1986 features a 37mm Hardlex-Coated Steel case. It features a Cream dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-c0de5c6e039e]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1986

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