SHANGHAI watch very unique shanghai central balance wheel F28 movement a special piece of China historical watch brand since 1955 brand new watch shipping with brt dhl ups no import duties for europe countries. SHANGHAI since 1955 22MT-D-F028-AVRS Equipped with Shanghai F28 movement, central balance wheel, black leather strap Case 316L stainless steel case, PVD gold plated Diameter 43.00 mm Thickness 14.50 mm 316L stainless steel transparent case back Waterproof to 3 bar pressure Movement 22MT-D-F028-AVRS Self-winding mechanical movement Power reserve up to 45 hours Frequency: 21,600.0 times/hour (3.0 Hz) 34 jewel bearings (ZUAN) Features Spherical sapphire glass Central balance wheel Leather strap describe The Metropolis Dome series uses the Shanghai Watch F28 "Sky Wheel" three-dimensional movement, the concept of which comes from the architectural dome. The symmetrical and perfect upward structure of the dome is transformed into a three-dimensional balance wheel that breaks out from the center of the dial. As the heart of the watch movement, the balance wheel stands proudly on the dial, intuitively showing the beauty of the oscillating movement like a heartbeat.