Seiko Cal. 4556 - 573

The Seiko 4556-573 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-867ac913a944]

Also known as: Sumo, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1971

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