A. Lange & Sohne GMT Tourbillon Square Dial

Movement: two independent mechanical, self-winding.
Functions: hours, minutes, seconds, second time zone, 24 hours, day-night.
Case: polished stainless steel, 43 mm by 43 mm by 15 mm .
Mineral-crystal glass on top and bottom.
Dial: white, Arabian and roman hour markers, guilloche.
Strap / Bracelet: Genuine Leather.
No docs and box