Featured in this lot is this 1900 Waltham P. S. Bartlett pocket watch set in a Fahys Montauk case. In Waltham, Massachusetts, in 1850, Aaron Lufkin Dennison, Edward Howard, and David Davis founded the Waltham Watch Company. As Eli Terry had done in the early 19th century, it was the first company in the US to mass-produce watches with interchangeable parts. The Waltham Watch Company was founded with the goal of producing watches of superior quality and dependability more cheaply and effectively. The Waltham Model 1857, the company's first pocket watch, was released in 1854. The accuracy and reliability of this watch contributed to its widespread popularity. Both the military and consumers started to highly value it. Waltham received numerous honors and recognition from around the world for their accuracy and craftsmanship. They had a reputation for having excellent movements and were frequently referred to as "Waltham railroad watches" because of their precision and widespread use by railroad workers. Early in the 20th century, the company had to contend with escalating competition from Swiss watchmakers and the rising demand for wristwatches. Waltham started making wristwatches in addition to their pocket watches in order to meet the shifting market demands. Over the years, the original Waltham Watch Company underwent a number of organizational changes and ownership shifts. Production fell off, and it eventually stopped operating in 1957. But the Waltham Watch Company of Switzerland, bought the rights to the Waltham name. The serial number inscribed alongside the movement is numbered, "10064826" indicating it was made in 1900. The pocket watch is grade P.S. Bartlett, 17 ruby jewel, size 18s, model 1883 and features a gilt movement finish and full plate. This pocket watch is not railroad graded. The watch ticks when the face is placed upwards. The pocket watch is set in a Fahys Montauk 10K gold-filled, first introduced in February 1898. Joseph Fahys & Co is a watchmaker. During the latter part of the 19th century, the company was the largest manufacturer of gold and silver watch cases in the USA. The watch also comes with a long, gold colored chain, with a twisted bar at the end to secure the chain to your clothing. The watch shows good condition overall with some wear to the case from its antique age but no signs of obvious damage are present. The watch measures 2 1/8" in diameter and 2 3/4" height. The chain measures 12 3/4" length and 1 3/4" wide at the top. The collective weigh of the chain and watch is 138.4 grams.