Seiko Cal. 6663 - 612

The 6663-612 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6663 caliber with 33j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-5fbb045f8dd9]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1992

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