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 6264-2

details:
series World flight records G38
movement Ronda 705Li, Swiss made
10 years battery, quartz-controlled
black dial with white digits / markers and silver colored Junkers apply
TubeLights - dial with highly luminescent gas tubes, for excellent night readability
stainless steel case, satined
diameter: 40 mm, Height: 12 mm, weight: 105 g
water-resistant up to 5 atm