Borealis Watch Co.
Portugal·Est. 2010
Portuguese microbrand founded in Caldas da Rainha in 2010, focused on ISO-grade dive watches and military-styled tool watches. Best known for the Estoril 300, Sea Storm, Bull Shark, and Cascais collections — most powered by Seiko or Miyota automatic movements with sapphire crystals and 300 m water resistance at sub-$1,000 prices.
11 watchesacross 10 collections·Series:Bull SharkCalouraEstorilIcarusJamantaLusitanoNeptunoPorto CovoSea StormSintra
