Seiko Cal. 5646 - 917

This Solar model from 1968 features a 37mm Titanium case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-39b8690e80b4]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1968

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