A. Lange & Söhne Lange 1

The A. Lange & Söhne Lange 1, reference 191.063, marks the model's 30th anniversary with an 18-carat pink gold case. This version is a limited edition of 300 pieces. The case measures 38.5 mm in diameter and 9.8 mm high, has a see-through back and is water resistant to 30 metres. The blue dial carries an outsize date and power-reserve indicator. Manual-winding calibre L121.1 contains 368 parts. The movement has a 72-hour power reserve and beats at 21,600 semi-oscillations per hour. A blue alligator leather strap closes with an 18-carat pink gold pin buckle.