323.32.40.40.04.001Ref

The Speedmaster is a timeless classic, currently with a 40mm case and automatic chronograph movement with date (caliber 3304). Reference 323.32.40.40.04.001 features a stainless steel case and cordura strap, with a white dial and black subdials. The similar reference 323.30.40.40.04.001 comes with a stainless steel bracelet instead.