All Junkers watches are handmade [made in germany] and provided with an unequivocal serial number which is engraved together with the model number and the Junkers applique at the case back.
Junkers Fliegeruhr 6276-2
details:series World flight records G38movement Ronda 509, Swiss made big date, quartz-controlled black dial with white digits / markers and silver colored Junkers apply titanium case, satined diameter: 42 mm, Height: 10 mm, weight: 48 g water-resistant up to 5 atm