Seiko Cal. 6645 - 939

This Solar model from 1978 features a 34mm Two-Tone case. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-4c11a294e1d5]

Also known as: Rally, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1978

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