Stelux Holdings International Limited, an investment holding company, engages in the wholesale and retail of watches. It is involved in the distribution of clocks and watches, including the Seiko and Grand Seiko brands; watch supply chain management activities; manufacture of watch movement related to its house brands, such as Solvil et Titus and CYMA; and operation of online stores under City Chain and Solvil et Titus brands. The company also engages in the property investment, management, and agency activities; and holds trademarks, as well as provides licensing services.

It operates in Hong Kong, Macau, Mainland China, Europe, and rest of Asia.