Here we list watch manufacturers and we also list watch designers. The difference is watch manufacturers make their watch movements and design their watch cases, straps and bracelets, whereas watch designers do not make their own movements.
Watch Manufacturers
1992
RGM Watch Company - 32 years
RGM Watch Company is an American watch company founded by American watchmaker Roland G. Murphy. RGM Watch Company makes watches with Swiss movements as well as watches with in-house movements. RGM also makes bespoke watches.
1976
Raymond Weil - 48 years
On March 22nd, 2017, Raymond Weil released their first in-house movement, the Calibre RW1212. Raymond Weil remains one of the last remaining independent, family-run Swiss brands. Walt's Jewelers is an Authorized Retailer of Raymond Weil watches.
1930
Citizen - 94 years
Originally called, "Shokosha Watch Research Institute", and established in 1918 by Kamekichi Yamazaki, Shokosha Watch Research Institute assembled components imported from Switzerland. In 1924 Shokosha Watch Research Institute launched a pocket watch of their own design. In 1930 the Citizen Watch Co., Ltd. was formed by Kamekichi Yamazaki, Yosaburo Nakajima and Ryoichi Suzuki. Walt's Jewelers is an Authorized Retailer of Citizen watches.
1914
Glycine - 110 years
In April 2016, Invicta acquired Glycine.
1892
Hamilton - 132 years
Though most of Hamilton's watchs use ETA movements (not in-house), they do make some watches with their own in-house movements. Hamilton is owned by the Swatch Group.
1848
Omega - 176 years
Omega is owned by the Swatch Group.
1845
Glashütte Original - 179 years
Glashütte Original is owned by the Swatch Group.
1775
Breguet - 249 years
Breguet is owned by the Swatch Group.
1755
Vacheron Constantin - 269 years
1735
Blancpain - 289 years
Blancpain is owned by the Swatch Group.
1721
Jaquet Droz - 303 years
Jaquet Droz is owned by the Swatch Group.
Watch Designers
2011
Shinola Detroit - 13 years
Shinola does not make their own movements, they simply design cases, straps and bracelets.
1988
Frederique Constant - 36 years
Frederique Constant is owned by Citizen Watch Co., Ltd..
1987
Flik Flak - 37 years
Flik Flak does not make their own movements, they simply design cases, straps and bracelets. Flik Flak is owned by the Swatch Group.
1983
Swatch Watch - 41 years
Swatch Watch does not make their own movements, they simply design cases, straps and bracelets. Oh, and they own a bunch of other brands/companies, including Harry Winston which was founded in 1932.
1881
Movado - 143 years
Movado does not make their own movements, they simply design cases, straps and bracelets.
1837
Invicta - 187 years
Invicta does not make their own movements, they simply design cases, straps and bracelets.
1832
Longines - 192 years
Longines is owned by the Swatch Group.