Seiko Cal. 7138 - 936

The Seiko 7138-936 represents an important milestone in Seiko's 1978 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-811c79034055]

Also known as: UFO, Silverwave

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1978

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