Omega Speedmaster Moonwatch Master Chronometer Chronograph 310.63.42.50.01.001
Omega 3861 Manual Manual Winding chronograph movement with central chronograph hand. Small 30 minute counter at 3 o'clock position, 12 hour counter at 6 o'clock position, 60 seconds counter at 9 o'clock position. Black dial with index hour counters. Anodized aluminium bezel stamped with a Tachymeter scale and set on a 42mm 18K Sedna™ gold case. Sapphire crystal on top and exhibition caseback. Water resistant to 50M. Presented on leather strap.