Seiko Cal. 7140 - 636

The Seiko 7140-636 represents an important milestone in Seiko's 1982 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-095241013af4]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1982

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