Seiko Cal. 6131 - 789

This Spring Drive model from 1981 features a 45mm Gold-Plated case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-e7f25dd829e7]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1981

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