Seiko Cal. 6331 - 394

The Seiko 6331-394 represents an important milestone in Seiko's 1990 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ddb84ab6ba10]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1990

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