Seiko Cal. 6331 - 164

The Seiko 6331-164 represents an important milestone in Seiko's 1972 lineup. Powered by the 6331 caliber with 35j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-f36e50bc5477]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1972

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