Seiko Cal. 7136 - 637

This Hand-Winding model from 1967 features a 38mm Two-Tone case. It features a Green dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-85e09a9ecfc8]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1967

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