Seiko Cal. 4420 - 547

This Solar model from 1965 features a 39mm Stainless Steel case. Powered by the 4420 caliber with 31j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-b6a8aa8780bd]

Also known as: Goldfeather, Flighty

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1965

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