The Speedmaster is one of the enduring classics of the watch world. In its present configuration, the case of 38mm houses the automatic caliber 3304 chronograph movement.Reference 324.18.38.40.10.001 has a stainless steel case and alligator strap. The bezel is diamond-set. The blue dial features Arabic numerals.Reference 324.15.38.40.10.001 is similar though fitted with a stainless steel bracelet.
