Seiko Cal. 6690 - 430

This Solar model from 1970 features a 39mm Titanium case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-75f8820d1d38]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1970

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