Seiko Cal. 7131 - 340

The Seiko 7131-340 represents an important milestone in Seiko's 1984 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-8096915b44ba]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1984

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