Seiko Cal. 4431 - 974

This Spring Drive model from 1985 features a 36mm Gold-Plated case. Powered by the 4431 caliber with 32j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-e783cca9b70c]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1985

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