

A. Lange and Sohne 1815 Rattrapante Perpetual Calendar Pt. 421.025FE Box Papers. Manual winding movement. Platinum round case 41.9 mm in diameter. Transparent exhibition sapphire crystal case back. A. Lange & Sohne on the fluted crown. . Scratch resistant sapphire crystal. Argenté-Silver dial with blued alpha-style hands and black printed Arabic numeral hour markers. Power-reserve indicator, moon-phase display, chronograph, day-of-week display, perpetual calendar, Analog date. Black leather strap with a platinum deployant buckle. Excellent condition.