Seiko Cal. 6311 - 859

The Seiko 6311-859 represents an important milestone in Seiko's 1979 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-fcb1543092ef]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1979

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