Seiko Cal. 6621 - 693

Seiko 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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