A method for producing a timepiece component (100) made of amorphous metal alloy, the production method comprising a step (E1) of producing a first preform made of amorphous metal alloy, then a step (E2) of hot drawing the first preform to obtain a second preform, then a step (E3) of machining the second preform.

A mechanical watch or measurement instrument including metallic parts, wherein each part of the mechanical watch mechanism has a relative magnetic permeability of less than 1.01.

A mechanical watch or measurement instrument having metallic parts, wherein each part of the mechanical watch mechanism has a relative magnetic permeability of less than 1.01.