Seiko Cal. 5639 - 968

The Seiko 5639-968 represents an important milestone in Seiko's 1975 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-af679197aa6e]

Also known as: UFO, Silverwave

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1975

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