Seiko Cal. 6398 - 811

The Seiko 6398-811 represents an important milestone in Seiko's 1967 lineup. Powered by the 6398 caliber with 17j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-86db57fa241a]

Also known as: UFO, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1967

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