Seiko Cal. 6139 - 874

This Spring Drive model from 1965 features a 36mm Titanium case. It features a Silver dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-6baccf75a70c]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1965

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