Seiko Cal. 4590 - 323

This Quartz model from 1979 features a 37mm Two-Tone case. Powered by the 4590 caliber with 24j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-f6f245d124a9]

Also known as: Monster, Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1979

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