Seiko Cal. 4564 - 958

The Seiko 4564-958 represents an important milestone in Seiko's 1981 lineup. With its 21mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-297287b7091c]

Also known as: Navigator, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1981

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