Luftwaffe FL 23883 B-Uhr Laco Durowe D5 German Military Pilot Watch Movement Parts On Request Original movement parts from a German WWII Luftwaffe FL 23883 Beobachtungsuhr (B-Uhr) pilot watch. Specifications: Maker: Laco Movement: Durowe D5 Luftwaffe FL 23883 specification German WWII period Original military watch movement parts Parts available on request Condition: Various original parts available. Please contact for availability of specific components. All parts are supplied exactly as pictured unless otherwise stated. History: The FL 23883 designation was assigned to German Luftwaffe navigation watches and observation instruments during the Second World War. The famous B-Uhr (Beobachtungsuhr) pilot watches were produced to strict military specifications and supplied to Luftwaffe navigators for aerial navigation duties. Laco was one of only five manufacturers officially contracted to produce B-Uhr watches. These watches were fitted with the renowned Durowe D5 movement, a large high-grade calibre respected for its precision, reliability and robust construction. Original FL 23883 Laco Durowe D5 components are increasingly difficult to source and remain highly desirable among collectors, historians and military watch restorers seeking authentic period-correct parts.     [email protected]