Fastback™ folding clasp the central support adapts to

the central support adapts to your wrist size

and the end result is certainly eye-catching

which led to the creation of the steel Fastback™ folding clasp

Experience the new Cannonball GMT Columbus: the ideal timepiece for exploring the world's most beautiful roads with elegance and character

Crafted from FKM rubber

Fastback™ folding clasp the central support adapts toWe wanted to take every step to make sure your strap stays with you as long as possible, which led to the creation of the steel Fastback folding clasp. This clasp makes sure your strap keeps its shape and protects it from marks. The folding clasp is reliable, rock solid and refined.