The Speedmaster is one of the enduring classics of the watch world. In its present form, it features a 40mm case and an automatic chronograph movement with full calendar- the Valjoux 7751-based caliber 3606.Reference 3222.80.00 has a blue dial and matching tachymeter ring. Both case and bracelet are stainless steel. Reference 220.50.00 is similar yet in black.
