Seiko Cal. 4424 - 350

This Spring Drive model from 1977 features a 36mm PVD Black case. Powered by the 4424 caliber with 24j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-c9cb740a3d42]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

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