Mechanical movement, Automatic winding, Caliber GP 33RO (Base caliber GP 3300). Hours, minutes, sweep seconds, date, power reserve index, srewed-in crown, Water resistant to 30 m
Girard-Perregaux - Sea Hawk II John Harrison - Time of Switzerland copyright 2000-2006 design by plankton-design. produced by nextron. Last Update: 29.08.2008