Seiko Cal. 7131 - 655

This Spring Drive model from 1981 features a 42mm Hardlex-Coated Steel case. It features a Cream dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-ee721cf448ba]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1981

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