Seiko Cal. 6639 - 506

Seiko 6639-506

The 6639-506 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6639 caliber with 33j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-c614fadb647e]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
10.1mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Green
Jewels
33j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1995

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