41.5mm in diameter and 14.6mm thick, featuring a sapphire crystal with a display case back and water resistance to 30m. The manual winding manufacture calibre L952.4 consists of 684 parts and is assembled twice for perfection. It includes a classic column-wheel chronograph, a perpetual calendar, and a tourbillon. It features an instantaneously jumping perpetual calendar, a precise minute counter for the chronograph, and a tourbillon with a stop-seconds mechanism for precise setting. The arrangement forms an equilateral triangle with the Lange outsize date at 12 o’clock, creating a harmonious and balanced display. Limited to 50 pcs.

Power reserve is at 50 hours.

Priced at €620,000