A. Lange & Söhne Grand Lange 1 "25th Anniversary"

The A. Lange & Söhne Grand Lange 1 "25th Anniversary", reference 117.066, is a limited edition of 25 pieces in 18-carat white gold. Presented in July 2019, this is the seventh model of the special collection marking the Lange 1's 25th anniversary. The silver dial has blue printing, blued hands, an outsize date and power-reserve indicator. The case measures 41 mm in diameter and 8.8 mm high, has a see-through back and is water resistant to 30 metres. A blue alligator leather strap fastens with an 18-carat white gold pin buckle. Manual-winding calibre L095.1 contains 397 parts, beats at 21,600 semi-oscillations per hour and has a 72-hour power reserve.