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 6274-2 with second Timezone

details:
series World flight records G38
movement Ronda 505.24H, Swiss made
GMT - freely adjustable second time zone, quartz-controlled
black dial with white digits / markers and silver colored Junkers apply
titanium case, satined
diameter 42 mm, Height: 12 mm, weight: 48 g
water-resistant up to 5 atm