Seiko Cal. 4512 - 165

This Spring Drive model from 1977 features a 43mm Gold-Plated case. Powered by the 4512 caliber with 20j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-60fcd869dbbd]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1977

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