324.18.38.40.05.001Ref

The Speedmaster, an enduring classic, currently has a 38mm case with the automatic chronograph caliber 3304. Ref. 324.18.38.40.05.001 offers a stainless steel case on an alligator strap, with a diamond-set bezel and white mother-of-pearl dial bearing Arabic numerals; the similar ref. 324.15.38.40.05.001 comes on a stainless steel bracelet.