Seiko Cal. 7131 - 413

This Quartz model from 1982 features a 40mm Hardlex-Coated Steel case. Powered by the 7131 caliber with 36j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-13723204ac18]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1982

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