Seiko Cal. 4423 - 659

This Hand-Winding model from 1989 features a 34mm Stainless Steel case. Powered by the 4423 caliber with 36j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-cef6ef166edf]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1989

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