Hand wound caliber 2874 with tourbillon and minute repeater. 38 jewels and 665 pieces with a 48 hour power reserve. Chronograph with 30 minute counter.Polished finished 18kt Rose Gold case.1 minute Tourbillon located at the 6 o'clock position with a seconds hand.30 minute chronograph/Stop-Watch function: Central seconds counter u0026amp; 30 minute sub-dial counter located at the 3 o'clock position.Minute Repeater strikes on request - operated by the lever on the left side of the case.AP caliber 2874 beats at 21,600 vph u0026amp; contains 38 jewels with an approximate Power Reserve of 48 hours. The mainplate u0026amp; bridges are made of Nickel Silver - an alloy which resists oxidations u0026amp; remains stable over long periods of time. Limited Production