Seiko Cal. 4559 - 513

This Spring Drive model from 1969 features a 45mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-cc0cfd2d7da3]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1969

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