Seiko Cal. 6669 - 631

Released in 1982, the Cal. 6669 with design code 631 was part of Seiko's domestic market collection. Powered by the 6669 caliber with 21j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-24cee7ce5b97]

Also known as: UFO, Flighty

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1982

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