A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar Lumen (2026)

Case is 41.9mm with a thickness of 13mm, 950 platinum, tinted semi-transparent sapphire crystal over the dial with sapphire caseback  polished surfaces with a brushed case middle, water resistance not stated in the source. Dial is dark and semi-transparent with the signature off-centre Lange 1 layout, featuring a luminescent outsize date at 110’clock, retrograde day display, peripheral month ring, luminescent leap year display, and a moon phase with day/night indication and glowing stars, revealing a remarkable amount of the movement architecture beneath. Movement is manufacture calibre L225.1, automatic with a central white gold rotor and platinum centrifugal mass, 21, 600vph, with one-minute tourbillon, stop-seconds mechanism, perpetual calendar with instantaneously switching displays, and hand-finished decoration throughout. Power reserve is 50hrs. Limited to 50pcs. Price on request