Seiko Cal. 5631 - 794

This Quartz model from 1970 features a 39mm Gold-Plated case. Powered by the 5631 caliber with 33j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-59e12739ab9a]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1970

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