Seiko Cal. 5656 - 109

This Spring Drive model from 1976 features a 39mm Titanium case. With its 19mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-b239f2ab52a9]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1976

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