Seiko Cal. 6646 - 311

Seiko 6646-311

The 6646-311 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6646 caliber with 36j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-0e6ab78de54d]

Also known as: UFO

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
10.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Burgundy
Jewels
36j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1967

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