Seiko Cal. 6639 - 582

The 6639-582 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6639 caliber with 22j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-e36e25fcda69]

Also known as: Bullhead, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1996

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