Seiko Cal. 4559 - 317

This Spring Drive model from 1974 features a 42mm Stainless Steel case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-4431592ecc57]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1974

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