Wille Frères (formerly known as Roskopf) half-hunter pocket watch, likely dating from the late 20th century. The company Wille Frères was the successor to the original Roskopf business. This one has Unitas 6498 movement, a famous and widely used manual-winding mechanical watch movement of Swiss origin. It is well-regarded for its robust design, reliability, and large size, making it a popular choice for both pocket watches and modern, oversized wristwatches used in luxury watches like Panerai, Omega, Tag Heuer, U Boat, Hamilton, Tissot..,