Seiko Cal. 4423 - 996

This Spring Drive model from 1979 features a 46mm Gold-Plated case. Powered by the 4423 caliber with 24j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-edd40d647596]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1979

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