Seiko Cal. 4566 - 357

The Seiko 4566-357 represents an important milestone in Seiko's 1983 lineup. With its 20mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-cdb1daddcc45]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1983

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