Seiko Cal. 6621 - 693

The 6621-693 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6621 caliber with 18j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-8571c6f1678f]

Also known as: Shogun, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1974

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