Relojoaria Mendonça is a family-rooted luxury watch and jewellery specialist founded by Alberto Mendonça in Porto in 1957. Now based at the historic Mercado do Bolhão, the business combines traditional personal service with specialist knowledge and a modern online store. Its collection includes new and pre-owned wristwatches and pocket watches, alongside jewellery in gold, silver and other materials.

Featured makers include Rolex, Omega, Cartier, Longines, Citizen, Seiko, Tissot, Baume & Mercier, Hamilton and Pequignet. Customers can browse both contemporary models and pieces with a history, including luxury watches and distinctive jewellery. Beyond sales, Relojoaria Mendonça offers expert assistance, technical maintenance and repair or restoration services for watches entrusted to its care.

The store highlights selected, checked pieces accompanied by a guarantee and provides specialist guidance to help customers assess authenticity, condition and materials. Customers may arrange collection at the Porto store, and delivery is free for purchases over €100 within mainland Portugal. The company serves customers in store and online