Seiko Cal. 4559 - 689

This Hand-Winding model from 1976 features a 42mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-1c59c2e70e24]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1976

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