Poljot Caliber 9011-PI Watch Movement

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Brand	Poljot
Caliber Number	9011-PI
In-House?	No
Base Caliber	Hangzhou 9011 (aka 9011A, HZ9011, 9011M, HZ9011M)
Movement Type	Mechanical, manual-wind, “regulateur” layout
Lignes	16.5”’
Diameter	36.6mm
Height	4.5mm
Jewel Count	18
Beat Rate	18,000 vph
Lift Angle	Unconfirmed
Power Reserve	38 hours
Anti-Shock Device	Diashock style
Hand Count	3
Functions	Central minutes; offset hours subdial at 1:00; small running seconds at 9:00
Hacking Seconds?	No
Finishing	Damaskeening (stripes)
Country of Manufacture	Made in China
Known Models	Poljot Regulator (Ref: 9031.8940444), Poljot Nights of St. Petersburg (Ref: 9011.1940864) (Add your watch to the comments below…)

The Poljot caliber 9011 PI is a handwound mechanical movement with modifications to display the time with a Regulator style layout. This movement is basically a China-made ETA 6497 clone known as the Hangzhou caliber 9011. The “PI” stands for Poljot International.

Note that although Poljot lists this caliber as having 18 jewels, the stock photos of their Regualator models state “17 JEWELS” on the dials. The original HZ9011 has 17 jewels. Poljot does not appear to provide any images of the caseback or movement in their product listings, however, there is a video (see below), which is the source of the image above.