series of luxury promotional watches under the 'Saros' brand at the request of large companies for very special occasions. These watches made in Hölstein are only recognizable by the inscriptions on the back, the frame being fully dedicated to the subject of the promotion. The movements of these "made to measure" watches are mainly quartz, made in Switzerland. Recent developments Since the turn of the millennium, the company has concentrated on the worlds of Diving, Culture, Aviation and Motor Sports. Since 2002, the Red Rotor has served as Oris's registered trademark and distinguishing feature. In 2004, the Quick Lock Crown system was developed, which only requires a single clockwise turn of 120 degrees to secure it in place. In 2009, Oris introduced the Rotation Safety System, a device that locks the uni-directional rotating bezel of a diving watch into place, preventing accidental adjustment underwater. Oris patented the Oris Aquis Depth Gauge, its first mechanical depth gauge, in 2013. It allows water into a channel via a small hole at 12 o’clock. Water enters the hole under pressure, creating a watermark that corresponds to a depth gauge. In 2014, Oris celebrated 110 years of watchmaking with its first in-house-developed calibre for 35 years. Calibre 110 was a hand-wound movement that featured a 10-day power reserve and a patented non-linear power reserve indicator. In 2020, Oris introduced the Calibre 400, an in-house movement which is anti-magnetic up to 2250 gauss, has a 5-day power reserve (120 hours), a recommended 10-year service interval and comes with a 10-year warranty. As of the early 2020's, the brand's flagship product remains the Aquis diver watch line. The brand remains one of the very few Swiss watch manufacturers independent from large groups such as Swatch, Richemont or LVMH. In 2005, Oris sponsored a civic event in Hölstein which featured a smiling bear. This "Oris Bear" subsequently became the company's mascot. Notable models Big Crown (1938) 8-Day-Clock (1949) Chronoris (1970) Oris Worldtimer (1997) Aquis (2011) See also Quartz Crisis References External links Swiss watch brands Watch manufacturing companies of Switzerland Luxury brands Manufacturing companies established in 1904 Basel-Landschaft