Description: Omega Speedmaster Chronoscope Pre-owned Omega Speedmaster Chronoscope ref 329.30.43.51.02.001 (2021) is a combination of traditional Speedy design codes and chronograph watches produced by Omega in the 1940s. Like many Speedmaster watches, the case is surrounded by a Tachymeter bezel and features chronograph side pushers and twisted Lyre lugs.  What sets this model apart from other variations is the silvery bi-compax dial decorated with vintage-inspired