Seiko Cal. 4588 - 938

This Spring Drive model from 1982 features a 39mm Gold-Plated case. Powered by the 4588 caliber with 20j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-7532b745afa3]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1982

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