Question: Longines is currently owned by the Swiss manufacturer of what items?

Context paragraphs:
Alpina Watches: Alpina Watches International SA is a manufacturer of luxury watches based in Plan-les-Ouates, Geneva, Switzerland.  The company was founded in 1883 by Gottlieb Hauser, a watchmaker in Winterthur who founded the Swiss Watchmakers Corporation ("Union Horlogère Suisse").  It is currently owned by Frederique Constant.

Cyma Watches: Cyma SA is a Swiss manufacturer of luxury wristwatches, founded by brothers Joseph and Theodore Schwob in 1862.  By 1908, Cyma were advertising the resilience of their automatic timepieces when exposed to electricity, magnetism and varying temperatures.  The company is currently owned by Stelux International, Ltd. a Hong Kong-based holdings firm which invests primarily in fine jewellery and watches, and is overseen by fellow "Fédération de L'industrie Horlogère Suisse" member Universal Genève.

Romain Gauthier: Romain Gauthier is an independent Swiss manufacturer of watches based in Le Sentier and Vallée de Joux, Switzerland.  He has been praised for his innovative horology engineering techniques and his design studio is also known for producing unique luxury items such as mechanical cufflinks.

Breguet (brand): Breguet is a Swiss manufacturer of luxury watches, founded by Abraham-Louis Breguet in Paris in 1775.  Currently part of The Swatch Group, its timepieces are now (since 1976) produced in the Vallée de Joux in Switzerland.

Zyliss: Zyliss is a Swiss manufacturer of kitchen and cooking products.  The Zyliss brand is now owned and operated by Diethelm Keller Brands AG

Audemars Piguet: Audemars Piguet (AP) (] ) is a Swiss manufacturer of mechanical watches founded in 1875, and is one of the world's oldest watch manufacturers.  The company is still owned by its founding families.  The brand is considered to be one the best manufacturers of luxury watches and said to be a part of the 'Holy Trinity Of Watches' along with Patek Philippe and Vacheron Constantin.

Elmex: Elmex is a brand of toothpaste that has been sold since 1962.  It is manufactured by GABA International AG, a Swiss manufacturer of branded oral care products located in Therwil.  GABA is wholly owned by Colgate-Palmolive company of the United States.

Juvenia: Juvenia is a luxury Swiss watch manufacturer located in La Chaux-de-Fonds, Switzerland.  It is one of the few Swiss watch companies to have manufactured watches without interruption since its creation.  The brand is currently owned by Hong Kong group Asia Commercial Holdings Ltd.

Longines: Longines (] , ) is a luxury watch company based in Saint-Imier, Switzerland.  Founded by Auguste Agassiz in 1832, it is currently owned by the Swatch Group.  Its winged hourglass logo is the oldest registered trademark for a watchmaker.

The Swatch Group: The Swatch Group is a Swiss manufacturer of watches and jewelry.  The company was founded in 1983 by Nicolas Hayek from the merger of Allgemeine Gesellschaft der Schweizerischen Uhrenindustrie (ASUAG) and Société Suisse pour l'Industrie Horlogère (SSIH).

Supporting paragraphs: Longines The Swatch Group
Answer: watches and jewelry