Seiko Cal. 6131 - 447

This Quartz model from 1976 features a 36mm Hardlex-Coated Steel case. Powered by the 6131 caliber with 18j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-1c8ec3a8dce8]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1976

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