Seiko Cal. 6622 - 550

Released in 1970, the Cal. 6622 with design code 550 was part of Seiko's domestic market collection. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-e4a0aee99aa9]

Also known as: Sumo, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1970

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