Seiko Cal. 6399 - 961

Seiko 6399-961

The 6399-961 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6399 caliber with 20j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-fc5a30d408ae]

Also known as: Sumo, Goldfeather

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
15.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Burgundy
Jewels
20j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1967

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