Seiko Cal. 4590 - 864

This Quartz model from 1976 features a 41mm Hardlex-Coated Steel case. Powered by the 4590 caliber with 29j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-f188346827a1]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1976

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