Seiko Cal. 6637 - 569

This Solar model from 1977 features a 39mm Titanium case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-7c2af59af16e]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1977

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