Seiko Cal. 4555 - 166

The Seiko 4555-166 represents an important milestone in Seiko's 1965 lineup. Powered by the 4555 caliber with 20j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-fea226d443dd]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1965

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