Seiko Cal. 6331 - 981

The Seiko 6331-981 represents an important milestone in Seiko's 1991 lineup. Powered by the 6331 caliber with 29j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-a7b54217d195]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1991

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