Borealis Watch Co.
Portugal · Est. 2010
Quick facts
Borealis Watch Co. is a microbrand based in Portugal, founded in 2010. lug2lug currently lists 14 watches from Borealis Watch Co. across collections including Bull Shark, Caloura, Estoril. Watches generally fall in the $300 - $900 range.
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.
Retail stock
57%in stock
8 of the 14 watches on this page with a stock reading.
In stock8Sold out6No reading0
14 watches in this catalog, read from each watch’s own product page or catalog feed. Last checked Oct 4, 2026, 01:52 UTC.
Organize:
14 watchesacross 10 collections·Series:Bull SharkCalouraEstorilIcarusJamantaLusitanoNeptunoPorto CovoSea StormSintra
