The new Fidlock Watch Strap from San Francisco-based DSPTCH uses a buckle system and comes in 20mm and 22mm.

Novel watch strap designs are few and far between. The last we can recall is Crown & Buckle’s Chevron, sort of a love child between a Perlon and a NATO. (Disclaimer: we love these so much that we carry them in our store.) You got your NATOs, your leathers, your rubbers, your bracelets….you know the drill.

Well, the new Fidlock from DSPTCH, SF-based makers of awesome, utilitarian kit, is sort of a new breed: made of wide herringbone nylon webbing, it features a snap-enclosure buckle called the Fidlock Hook 20 for attachment/detachment.
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https://www.gearpatrol.com/watches/a34097269/dsptch-flidlock-tactical-watch-strap/