Performer, Maestro and Auto Chrono
The Jazzmaster Auto Chrono is the line's classic automatic chronograph with date, small seconds and water resistance to 100 metres. The Performer uses calibre H-31 and a central chronograph seconds hand, while the Maestro adds a day display to the chronograph. The models are worn on a steel bracelet with folding clasp or on a leather strap.
Movement and features
The Jazzmaster chronographs use the automatic calibres H-21 and H-31, each with a power reserve of up to 60 hours. The Open Heart Lady uses calibre H-10 with a power reserve of 80 hours. Sapphire crystal is standard on all versions.