Seiko Cal. 6331 - 811

The Seiko 6331-811 represents an important milestone in Seiko's 1992 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-a393ee623b49]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1992

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