Seiko Cal. 4424 - 172

This Spring Drive model from 1986 features a 35mm PVD Black case. Powered by the 4424 caliber with 30j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-08b98064badc]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1986

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