51-30 Chrono Leather Chocolate/Dark Roast/Brown Watch montres 78a formula makes the roughest

78a formula makes the roughest roads seem smooth and they are great for downhill riding

A go-to for coffee on the go

we’ve added synthetic fabric for extra durability

Crafted with partially recycled materials for the perfect blend of style and function

you were going to take that thing off anyway to save the weight

51-30 Chrono Leather Chocolate/Dark Roast/Brown Watch montres 78a formula makes the roughestDescription Nothing else quite measures up. Named after the face size (51mm) and water resistant rating (300 meter 30 ATM), the 51 30 Chrono Leather is the OG oversized watch that birthed a whole style movement. It's the ultimate statement piece, but its pro level chronograph and waterman functionality makes it so much more than a pretty face.