A. Lange & Söhne's Datograph is one of the most closely copied chronographs in the world, and each new generation of counterfeit gets a little harder to dismiss at a glance. Because the genuine watch is made by hand in very small numbers, most buyers never handle a real one before they commit to a purchase. This guide walks you through the checks collectors use to separate an authentic Datograph from a convincing imitation.
What is the fastest way to spot a fake Datograph?
Look at the movement first. A genuine Datograph is a hand-wound flyback chronograph with a column wheel and a finely finished German silver three-quarter plate. If you see a rotor, stamped bridges, or a plain, unengraved balance cock, the watch is not authentic.
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Key Features to Inspect
- Movement type: hand-wound with column wheel, flyback function, and visible Glashütte ribbing, not an automatic or an undecorated unit.
- Case proportions: the authentic case sits around 39 mm with lugs that flow into the band, rather than a slab-sided copy with sharp edges.
- Outsize date: two separate discs that snap over instantly at midnight and stay perfectly centered in the window.
- Dial printing: crisp, evenly spaced text with no fuzzy edges, and subdials aligned to the center line of the hands.
- Hands and markers: blued steel hands with polished bevels and clean, flat tips.
- Pusher feel: firm, short travel with a clean reset, not a mushy or grinding action.
- Weight and balance: substantial precious-metal heft, with no hollow rattle when the watch is gently turned.
- Caseback and paperwork: correct engraving depth, matching serial numbers, and a complete box and certificate set.
Materials and Specifications
Authentic Datographs are produced in platinum, pink gold, or white gold, with sapphire crystal front and back, a hand-stitched alligator strap, and a solid precious-metal buckle or deployant clasp. The movement is hand-finished under magnification, which is why the engraved balance cock, polished bevels, and even surface textures are the details most imitations fail to reproduce.
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Every order placed with us ships within one business day in discreet, protective packaging, with tracking provided at dispatch. If the watch is not right for you, our straightforward return window lets you send it back for a full refund, so you can inspect every detail in person without risk.
Should I buy a Datograph without papers?
A missing certificate is a warning sign rather than proof of a fake, but it removes your ability to verify the serial number and delivery date. Ask the seller for clear movement photographs before you agree to anything.
Can a high-quality fake pass a close inspection?
Some copies look convincing in a photograph, but almost none survive a loupe check of the movement finishing and the outsize date mechanism. Always compare the smallest details, not the overall silhouette.