Seiko Cal. 7131 - 118

This Hand-Winding model from 1972 features a 40mm Gold-Plated case. It features a Green dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-90c6b0dde602]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1972

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