Seiko Cal. 6331 - 391

The Seiko 6331-391 represents an important milestone in Seiko's 1989 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-23a795007a90]

Also known as: Shogun, UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1989

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