A. Lange & Söhne Lange 1

The A. Lange & Söhne Lange 1, reference 191.062, has a 950 platinum case and black onyx dial in a 300-piece limited edition. This version commemorates the Lange 1's 30th anniversary. Its dial carries an outsize date and power-reserve indicator. The case measures 38.5 mm in diameter and 10 mm high, with a see-through back and a water-resistance rating of 30 metres. A black alligator leather strap closes with a platinum pin buckle. Manual-winding calibre L121.1 comprises 368 parts, runs at 21,600 semi-oscillations per hour and has a power reserve of 72 hours.