A. Lange & Söhne Lange 1 Daymatic Ref. 320.025
Movement: automatic-winding Lange L021.1 caliber; 50-hour power reserve; 67 jewels; 21,600 vph; 426 components; decorated and assembled by hand; precisionadjusted in five positions; central rotor with centrifugal mass in platinum; balance cock engraved by hand; seven screwed gold chatons; shock-resistant Glucydur balance with eccentric poising weights; superior quality balance spring manufactured inhouse; whiplash precision index adjuster with patented beat adjustment mechanism.
Functions: off-centered hours and minutes; small seconds with stop seconds; patented large date; retrograde display.
Case: 18K white gold; Ø 39.5mm, thickness: 10.4mm; crown for winding the watch and setting the time; pushbutton for correcting the date and day displays; sapphire crystal caseback.
Dial: solid silver and argenté; 18K white-gold hands.
Strap: black hand-stitched crocodile; 18K white-gold Lange prong buckle.
Also available: other dial and case combinations.
Retail price: $58,100.00