CLASP FOR A WATCH STRAP OR BELT

Clasp for a watch strap comprising a cover (2) connected at a first end to a first length of strap (4) and at a second end to a second length of strap (8) connecting means being interposed between the second length of strap (8) and the cover (2) of the clasp (1) these connecting means comprising a terminal link (10) sliding in a longitudinal direction of the clasp (1) between a first position in which the terminal link (10) is at least partially engaged in the cover (2) of the clasp (1) and a second position in which the terminal link (10) is free of the cover (2) of the clasp (1) the terminal link (10) comprising a push button (32) the pressing of which makes it possible to cause a toothed element (34) to move from a first position in which the toothed element (34) is in gnash with rack teeth (14) secured to the cover (2) of the clasp (1) into a second position in which the toothed element (34) is released of its engagement with the rack teeth (14) the clasp being characterized in that the terminal link (10) has a housing (28) in which there is at least one spring (30) this spring (30) being capped by the push button (32).