Seiko Cal. 6647 - 822

The 6647-822 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6647 caliber with 26j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-22cf5bd21998]

Also known as: Bullhead, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1987

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