Seiko Cal. 6331 - 676

The Seiko 6331-676 represents an important milestone in Seiko's 1981 lineup. Powered by the 6331 caliber with 35j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-50cbca7fce49]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1981

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