Seiko Cal. 7055 - 556

The Seiko 7055-556 represents an important milestone in Seiko's 1989 lineup. Powered by the 7055 caliber with 31j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-3fc1b521c702]

Also known as: Helmet, Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1989

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