Seiko Cal. 4590 - 923

The Seiko 4590-923 represents an important milestone in Seiko's 1978 lineup. Powered by the 4590 caliber with 27j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-9837a575a2bb]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1978

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