Seiko Cal. 4424 - 477

This Hand-Winding model from 1990 features a 36mm Stainless Steel case. Powered by the 4424 caliber with 22j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-19497f3adba4]

Also known as: Monster, Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1990

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