Seiko Cal. 6639 - 792

The 6639-792 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6639 caliber with 33j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-deb27895019d]

Also known as: Tuna, Pogue

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1971

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