Seiko Cal. 6687 - 393

This Quartz model from 1974 features a 43mm Gold-Plated case. Powered by the 6687 caliber with 19j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-f91f75e2d87f]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1974

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