Seiko Cal. 4590 - 477

This Quartz model from 1970 features a 40mm Stainless Steel case. It features a Black dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-e60461d6a98d]

Also known as: World Timer, Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1970

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