Seiko Cal. 4577 - 381

The Seiko 4577-381 represents an important milestone in Seiko's 1970 lineup. Powered by the 4577 caliber with 22j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-c2edd9461f34]

Also known as: Flighty

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1970

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