Seiko Cal. 7145 - 137

This Spring Drive model from 1966 features a 43mm Two-Tone case. It features a White dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-119b27c85177]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1966

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