Seiko Cal. 4478 - 568

This Solar model from 1965 features a 41mm Stainless Steel case. Powered by the 4478 caliber with 23j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-3f1ddb2825ab]

Also known as: Crown, Flighty

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1965

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