We love a good NATO strap but these new old stock RM Falklands straps aren't something you see every day. These straps were originally issued to the British military in the early 80s and it's 20mm wide so it'll fit everything from a Speedmaster to a Rolex Submariner. Available in olive or black, the straps are 350mm in length so you've got tons of flexibility and a quick pull adjustment makes it easy to dial in the fit. You can even have them stamped with a broad arrow to complete the look.
£29 (approx. $37), cwcwatch.com