Seiko Cal. 6198 - 991

The Seiko 6198-991 represents an important milestone in Seiko's 1972 lineup. Powered by the 6198 caliber with 31j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-f04cddb3136e]

Also known as: Shogun, Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1972

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