The Breguet Type XXI (ref. 3817ST/X2/3ZU) is a men's pilot's watch with a 42 mm round case in stainless steel. It has a grey dial under sapphire crystal.
It is powered by a self-winding mechanical movement. Functions: Chronograph, date. Water-resistant to 100 m. The watch is fitted with a calfskin strap with a folding clasp in steel.
This example is brand new, and comes with the original box and papers.
