A. Lange & Sohne Richard Lange Perpetual Calendar "Terraluna" 45.5 mm Silver Dial 18k White Gold Leather Strap 180.026FE / LSLS1803AB

It is an exceptional timepiece on both sides: the dial reflects the regulator design of high-precision scientific clocks while the movement side features an orbital moon-phase display. The model version in white gold features an argenté-coloured dial crafted from solid silver.