Seiko Cal. 6690 - 822

The 6690-822 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6690 caliber with 35j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-6bbb42d9ed3d]

Also known as: Crown, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1983

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