Seiko Cal. 4473 - 557

Released in 1980, the Cal. 4473 with design code 557 was part of Seiko's domestic market collection. With its 22mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-4b0ce9800cf4]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1980

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