Watch mechanism (10)

I believe the answer is:
escapement
(Other definitions for escapement that I've seen before include "One-time flight" , "piano piece" , "Part of A Clockwork" , "Part of watch mechanism" , "Clock or watch mechanism" .)
I believe the answer is:
escapement
(Other definitions for escapement that I've seen before include "One-time flight" , "piano piece" , "Part of A Clockwork" , "Part of watch mechanism" , "Clock or watch mechanism" .)