Seiko Cal. 4581 - 555

The Seiko 4581-555 represents an important milestone in Seiko's 1975 lineup. Powered by the 4581 caliber with 33j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-af47e5ba1e2b]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1975

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