Seiko Cal. 7139 - 133

This Spring Drive model from 1966 features a 46mm Titanium case. With its 18mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-cb5ac0af9c32]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1966

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