A. Lange & Söhne Richard Lange Perpetual Calendar "Terraluna"

The A. Lange & Söhne Richard Lange Perpetual Calendar "Terraluna", reference 180.032FE, combines a perpetual calendar with a 45.5 mm case in 18-carat pink gold. The dial is crafted from solid silver with a regulator layout, an outsize date, day-of-week display, day/night indicator and power-reserve indicator. The case is 16.5 mm high, has a see-through back and carries a 30 metre water-resistance rating. Manual-winding calibre L096.1 incorporates 787 parts and a constant-force escapement. The movement runs at 21,600 semi-oscillations per hour with a 336-hour power reserve. An alligator leather strap uses a pink gold folding clasp. An orbital moon-phase display is on the movement side.