Although it's a bracelet, the B&T is truly about the clasp itself – the beautiful curb chain is merely there to keep the clasp in-place. The name "B&T" refers to the classic "Box and Tongue" design of the clasp.

's own version is cast and filed to perfection, with the tongue hand-folded and sprung. Each is meticulously tuned to ensure perfect operation. The result is an almost imperceptible opening action. For the un-trained the action might seem impossible, but a quick demonstration of the way to apply pressure reveals a buttery-smooth action which is firmly secure.