Seiko Cal. 6331 - 446

Released in 1992, the Cal. 6331 with design code 446 was part of Seiko's domestic market collection. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-f68b1ac2eb55]

Also known as: UFO, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1992

Related Models

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• Seiko 6269-427
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• Seiko 6278-915
• Seiko 5255-181
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• Seiko 4566-227
• Seiko 5666-243
• Seiko 5697-885
• Seiko 4592-960
• Seiko 6334-879
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