Seiko Cal. 6664 - 580

The 6664-580 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6664 caliber with 21j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-1f70ac121625]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1975

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