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 6248-1 Corrugated Sheet JU52
Details:Series Corrugated Sheet JU52Movement Ronda 6203.B, Swiss technology Big date, dual time - freely adjustable second time, quartz-controlled White dial with black digits / markers and silver colored Junkers apply Engraved dial in "Corrugated Sheet" styleStainless steel case, satined Diameter: 40 mm, Height: 12 mm, weight: 100 g Water-resistant up to 5 atm