Seiko Cal. 4574 - 717

The Seiko 4574-717 represents an important milestone in Seiko's 1982 lineup. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-9b22eaf3bb79]

Also known as: Sumo, Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1982

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