Seiko Cal. 5679 - 855

The Seiko 5679-855 represents an important milestone in Seiko's 1988 lineup. Powered by the 5679 caliber with 31j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-dabeae85c6a7]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1988

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