Seiko Cal. 7131 - 646

This Automatic model from 1976 features a 36mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-cc01fab322c9]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1976

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