Seiko Cal. 4566 - 181

This Quartz model from 1982 features a 41mm Stainless Steel case. Powered by the 4566 caliber with 28j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-308d3a33a25b]

Also known as: Sumo, Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1982

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