Lake Geneva is divided into three parts because of its different forms of formation (sedimentation, tectonic folding, glacial erosion): According to the Swiss Federal Office of Topography, swisstopo, "Lac de Genève" designates that part of the "Petit Lac", which lies within the cantonal borders of Geneva (excluding the cantonal exclave Céligny), so about from Versoix–Hermance to the Rhône outflow in Geneva. The Chablais Alps border is its southern shore, the western Bernese Alps lie over its eastern side. The high summits of Grand Combin and Mont Blanc are visible from some places. Compagnie Générale de Navigation sur le lac Léman (CGN) operates
Geneva Seal are defined according to the NIHS standard 95-11 ( a/k/a ISO 3159) for chronometers. 3 These bulletins are obtained through the Geneva office of COSC. The watches having successfully undergone the rate tests can claim the title chronometer. The regulations on the voluntary inspection of watches from Geneva, of April 5, 1957, is repealed. Apart from the Geneva Seal, some watches carry the name "Geneva" or "Genève" on their dials. The use of the name Geneva on a watch dial is governed by the "Bureau de contrôle des Montres de Genève". To wear this badge, a watch must be a