18k rose gold in 44mm. Manual winding movement with 20-minute retrograde register. Power reserve indication also displayed on the back of the movement. Chronograph activation indicator at 6 o’clock. Silicon balance spring. This is a new innovation in Chronograph, utilizing the energy from the push of the finger, the Chronograph can run for 20 minutes without using any energy from the main barrel; which allows the time keeping to be unaffected while the Chrono is in operation. Power reserve at 55 hours Priced at US$78,900.00