Seiko Cal. 6647 - 599

The 6647-599 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6647 caliber with 30j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-3ac128dda6e6]

Also known as: Bullhead, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1970

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