Seiko Cal. 6631 - 822

The Seiko 6631-822 represents an important milestone in Seiko's 1966 lineup. Powered by the 6631 caliber with 33j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-231b7efd6ce4]

Also known as: Goldfeather, Flighty

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1966

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