The new 45mm Panerai’s Panerai 3 Days Power Reserve Automatic Watch (Radiomir Black Seal 3 Days Automatic), for the first time with a Radiomir case made of polished steel, The black “sandwich” structure dial fully extends the traditional aesthetic design of Panerai. The rod-shaped hour scale and the large number on the azimuth base point appear alternately. A small second dial is set at 9 o’clock and a date is set at 3 display. Through the sapphire crystal glass of the case back, you can clearly appreciate the movement of the P.9000 movement and the automatic disc. The automatic disc that can work in both directions automatically winds the two barrels when worn. It is not difficult to see from the name of the watch, the watch provides an ultra-long 72-hour power reserve. In addition to the time and date display, the P.9000 also features an hour quick-adjustment device, a twelve-tooth star wheel and a small spring clutch, which can be adjusted in one-hour steps without disturbing the minute hand movement and watch operation Hour hand. The date display is also connected to the device, and the date will adjust automatically when the hand passes midnight. Panerai’s patented detachable linear lugs make it easier to change the strap.