Item number: 16142 - This Omega Speedmaster Professional Moonwatch, reference number 31130423001006, has an approximate manufacturer year of 2006. This Pre-Owned watch comes in a 42mm Steel Case with Ceramic bezel, Black dial and Leather bracelet with Tang buckle. The Manual Wind movement has Chronograph function(s). This watch weighs 81.7 grams or 52.288 pennyweight. The wrist measures 6.50 inches or 16.51 centimeters. Box Included, Papers Included. - Condition details: The exterior condition is The movement condition is