Seiko Cal. 4587 - 997

This Spring Drive model from 1971 features a 45mm Titanium case. With its 19mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-93e1bb92b275]

Also known as: Silverwave, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

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