A Lange & Sohne Datograph Perpetual 41mm Platinum Moonphase Blue Date 410.038E Their is a small fleabite

Their is a small fleabite on crown side of case

especially with its stunning open caseback

while a rotating 24-hour off-center disk displays a secondary time zone

enhanced finishing details

and booklet holder

A Lange & Sohne Datograph Perpetual 41mm Platinum Moonphase Blue Date 410.038E Their is a small fleabiteA Lange & Sohne 41mm Datograph Perpetual Flyback Chrono White Gold Moonphase 410. 038E 2021 Complete Set Very Limited The A. Lange & Shne 410. 038E Datograph Perpetual is a pinnacle of haute horology, combining two of the most challenging complicationsa flyback chronograph and a perpetual calendarin a single timepiece. The term "Datograph" is unique to A. Lange & Shne and refers to a highly sophisticated chronograph mechanism. The Lange Datograph uses