This watch is also known as:
38815037 , 3881-50-37 , 3881/50/37 .
The OMEGA Speedmaster Broad Arrow 3881.50.37 features: stainless steel case, black dial, automatic winding movement, and strap bracelet. This timepiece also features 3 Sub-dials: third hand with red arrow indicated the second time zone, chronograph functions, luminous hands & hour markers. The OMEGA Speedmaster Broad Arrow has frequency 18,000 alterations/hour.