Seiko Cal. 6684 - 812

The Seiko 6684-812 represents an important milestone in Seiko's 1968 lineup. Powered by the 6684 caliber with 22j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-2439fdd9a4d7]

Also known as: UFO, Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1968

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