Seiko Cal. 4423 - 906

This Quartz model from 1981 features a 36mm Hardlex-Coated Steel case. Powered by the 4423 caliber with 24j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-e3ff90ef17a8]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1981

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