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

The A. Lange & Söhne Lange 1 "25th Anniversary", reference 191.066, is a limited edition of 250 pieces in 18-carat white gold. The dial is crafted from solid silver and carries an outsize date and power-reserve indicator. The case measures 38.5 mm across and 10.7 mm high, has a see-through back and is water resistant to 30 metres. Manual-winding calibre L121.1 comprises 368 parts. The movement runs at 21,600 semi-oscillations per hour with a 72-hour power reserve. A white-gold pin buckle closes the blue alligator leather strap.