Seiko Cal. 4478 - 596

This Hand-Winding model from 1975 features a 44mm Stainless Steel case. Powered by the 4478 caliber with 25j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-a26dec7828fa]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1975

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