Seiko Cal. 6131 - 663

This Quartz model from 1973 features a 41mm Gold-Plated case. Powered by the 6131 caliber with 28j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-31f43d5b909d]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1973

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