Seiko Cal. 4424 - 394

This Spring Drive model from 1990 features a 37mm PVD Black case. Powered by the 4424 caliber with 28j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-83713a4978f6]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1990

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