Watchbandit retails a lot of cool microbrand watches for the European market, including RZE, Squale, Martenero, and many more. They also have a good selection of straps and tools!
Ditur.dk is a danish shop selling their own brand Dissing Watches and many more microbrands, mainstream brands, and even some entry-level luxury brands. They also have straps and an amazon page for here.
My Wrist Time has tons of cool strap and i personally got 2 NCD straps and one black lizard strap for my vintage Lemania. Great customer service and lots of choice, so go check them out.
Helvetus specializes in rubber straps, offering both generic options and straps made specifically for well-known luxury watch brands such as Omega, Rolex, Breitling, IWC, Longines, and many others. The list of straps for well-established watch brands is impressive!
Trendhim is a huge site dedicated to men’s accessories. Prices are cheap, and the quality is average, but they have a great customer service.
Jack Magnan is a young french guy who started his own microbrand, selling unique and cool accessories and clothing.
JD Sports is simply put, a huge shop that threw a cool tracksuit my way, which is really like! fast delivery, good service and a huge selection.
Aviateur Solitaire is a french webshop selling aviator/pilot jackets! a look I really love and fits those lovely pilot watches that we all have in our collection.
