Seiko Cal. 4420 - 961

This Solar model from 1971 features a 39mm Gold-Plated case. Powered by the 4420 caliber with 19j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-17e514724c5a]

Also known as: Sportsmatic, Crown

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1971

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