Seiko Cal. 6622 - 674

The Seiko 6622-674 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-2c4e1da1b31b]

Also known as: Sumo, UFO

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1970

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