Seiko Cal. 7138 - 720

The Seiko 7138-720 represents an important milestone in Seiko's 1976 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4877a5548314]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1976

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