Seiko Cal. 5639 - 607

This Spring Drive model from 1977 features a 38mm Titanium case. With its 21mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-6c3810cd5e26]

Also known as: Pogue, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1977

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