Seiko Cal. 4575 - 904

This Spring Drive model from 1977 features a 38mm Stainless Steel case. Powered by the 4575 caliber with 28j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-6b9f01395f67]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1977

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