Seiko Cal. 4578 - 566

The Seiko 4578-566 represents an important milestone in Seiko's 1992 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-76ec941de5dd]

Also known as: Sumo, Bellmatic

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1992

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