Seiko Cal. 4423 - 647

This Spring Drive model from 1991 features a 45mm Stainless Steel case. Powered by the 4423 caliber with 30j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-5f3ef4010774]

Also known as: Pogue, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1991

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