Inseparable single-piece timepiece component

An inseparable single-piece timepiece component including a position adjustable mechanism having a rigid structure carrying, by means of at least one resilient strip, a position adjustable component including an indexing means arranged to cooperate with a complementary indexing means comprised in an adjustment mechanism, said adjustment mechanism being incorporated in said inseparable single-piece component, wherein said complementary indexing means is mounted so as to be able to be uncoupled from the indexing means and can be clamped in a position of cooperation with said indexing means by a clamping mechanism moveable between at least one coupled position and at least one uncoupled position, distinct from said indexing means and said complementary indexing means and resiliently secured to said structure.