41. The signature piece of the IS 300 is its instrument panel styled like a Breitling chronograph . 42. Many TAG Heuer watches feature chronographs . 43. This piece was the first of the four made and features a chronograph and perpetual calendar. 44. More modern uses of chronographs involve piloting airplanes, car racing, diving and submarine maneuvering. 45. Originally the term chronograph was mainly used in connection with artillery and the velocity of missiles. 46. Complications include moon phase, power reserve, chronograph , sonnerie, GMT and calendar functions. 47. When fired from these shorter barrels, chronograph velocities fell to, in line with expectations. 48. The Hanhart Chronograph was a one-button watch made by Swiss-German manufacturer Hanhart. 49. The watch was marketed as a dress chronograph with silver, black or gold dial configurations. 50. The winding crown was on the left, with the pushers for the chronograph on the right.
