[ Precious metals and their alloys; ] Parts for timepieces and chronometric instruments; [ timepieces and parts thereof, watches and ] Components for watches [ and components thereof, ] movements for timepieces, components of parts of timepieces and their movements, regulating devices and parts thereof for parts of timepieces, springs for parts of timepieces, hairsprings for parts of timepieces; escapements and components thereof for parts of timepieces; pendulums for parts of timepieces