Seiko Cal. 4512 - 422

This Spring Drive model from 1987 features a 42mm Hardlex-Coated Steel case. Powered by the 4512 caliber with 30j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-ac6286e02f0d]

Also known as: Shogun, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1987

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