Seiko Cal. 6622 - 690

Released in 1967, the Cal. 6622 with design code 690 was part of Seiko's domestic market collection. Powered by the 6622 caliber with 18j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-dfff3dd8a30e]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1967

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