Seiko Cal. 6131 - 898

This Spring Drive model from 1974 features a 43mm Two-Tone case. Powered by the 6131 caliber with 22j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-eef8b7497b20]

Also known as: Crown, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1974

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