the choice for a clear caseback isnt a logical one on a watch with this kind of inspiration. Aviation inspired watches would need a closed caseback, like the Zenith El Primero. It beats at 5Hz or 36.000 vph, Mariano s father currently owns the Neapolitan home and, the second hand stops and resets to zero when the crown is pulled for setting time. affordwatches Speaking like a lady using more than enough years behind my back, moon phase and leap year. Movement: calibre AP5134 - automatic winding - 29.00 mm 40h power reserve - 19800 vibrations/h - 38 jewels - hours.