Seiko Cal. 7139 - 190

This Spring Drive model from 1979 features a 46mm Titanium case. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-fc641a21c6c1]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1979

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