Seiko Cal. 7055 - 828

The Seiko 7055-828 represents an important milestone in Seiko's 1988 lineup. Powered by the 7055 caliber with 30j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-b05cc3b4072c]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1988

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