Seiko Cal. 5665 - 939

This Hand-Winding model from 1973 features a 37mm Hardlex-Coated Steel case. Powered by the 5665 caliber with 28j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-40794445f62d]

Also known as: Goldfeather, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1973

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