Seiko Cal. 7137 - 531

The Seiko 7137-531 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-abbffd82484a]

Also known as: Crown, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1970

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