ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,829, issued on March 18, was assigned to The Swatch Group Research and Development Ltd (Marin, Switzerland).

"Watch case comprising a back oriented in a predefined angular position" was invented by Joel Allimann (Vallon, Switzerland) and Simon Garcin (Salavaux, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A watch case (10) including a back (30) driven into a middle (20) by a joint (40), and including a body (31) from which radially extends a lip (32), the body (31) including an axial annular shoulder (310) and the lip (32) including a radial annular shoulder (320). The middle (20) has an axial opening (21), an axial annular shoulder (...