A. Lange & Söhne Lange 1 Time Zone

The A. Lange & Söhne Lange 1 Time Zone, reference 116.039, has an 18-carat white gold case. Introduced in 2012, the GMT watch displays a second time zone. The 41.9 mm case is 11 mm high, has a see-through back and is water resistant to 30 metres. The dial is crafted from solid silver, with solid-gold appliques and hour markers, rhodiumed gold and blued steel hands, an outsize date and power-reserve and day/night indicators; the hour, minute and power-reserve hands and hour and power-reserve markers are luminous. A black alligator leather strap fastens with a white-gold pin buckle. Manual-winding calibre L031.1 has 417 parts, a 72-hour power reserve and a frequency of 21,600 semi-oscillations per hour.