Original Swiss Wrist Watch with good movement, over 130 yrs Old

This watch was made for Marcel Georges Valère Céline Dubuisson (5 April 1903 - 25 October 1974) was a Belgian zoologist and professor at the University of Liège. Dubuisson was born in Olsene, which is part of Zulte, in 1903. ABSOLUTELY FIRM ON THE PRICE, I AM TAKING A LOSS AT $499 World Watch maker is Patek Philippe Cie. The four reference numbers etched inside the back cover 36073, 33753, 31460 and 28093. How many watches are in this good of a condition over 130 yrs old. Full winding makes the watch run more than 30 hours. Dial is porcelain, original, with reparation on "2" glass is perfect open case: argental, great size for use 51 mm. movement: gold plated, perfect, pin set 15 Jewels Produced: 1890 - 1900 Movement caliber : Made in Swiss Movement serial N/A Case N/A Movement size : 41 mm; Case size (without crown): 51 mm; Band 18 mm Man's size It appears to be original Patek Philippe parts and movement The watch has been fully serviced by eBay member theoldwatchmaker(13429) This means: YOU SHOULD OWN A PIECE OF HISTORY every part is checked every part is cleaned every part is oiled the case is cleaned the watch has been tested for about a week ALL ORIGINAL ( case, dial, movement....) Swiss HI GRADE pocket watch converted to wristwatch before my time of ownership, in fantastic condition! The movement look like Patek Philippe. Fully serviced HI GRADE watch - still keep the time. If you are interested, take a look at my other items with no reserve!