Seiko Cal. 4423 - 979

This Hand-Winding model from 1971 features a 43mm Two-Tone case. Powered by the 4423 caliber with 28j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-f85a077bf522]

Also known as: Arnie, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1971

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