Seiko Cal. 5643 - 637

This Solar model from 1971 features a 35mm Titanium case. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-71c44d3b1f56]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1971

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