pre-owned Datograph Flyback 41mm from A. Lange & Söhne featuring rose gold, index dial, sword hands, chronograph counters, date indication, round face, push-down crown, two chronograph pushers, skeleton case back, pin-buckle fastening, engraved logo, automatic movement, water resistance up to 30m/3 ATM, black dial and black alligator leather bracelet. This item comes with a standard two-year warranty from WatchBox.. This watch has been evaluated and authenticated by a WatchBox in-house Swiss-trained watchmaker..