Seiko Cal. 7131 - 915

The Seiko 7131-915 represents an important milestone in Seiko's 1968 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-4872f3ebf308]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1968

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