Italian Components Without an Italian Chess-Clock Line
Italy had significant clock and instrument makers, including Veglia / Fratelli Borletti. Italian alarm movements and dials can be found inside clocks used for chess or draughts in other countries. That does not by itself establish an Italian commercial chess-clock industry.
A Dutch Example
One club clock associated with DAM CLUB H.D.C. appears to use Italian clock components inside a non-Italian chess or draughts timer. It demonstrates component circulation, not Italian finished-clock manufacture.
Italian components in a non-Italian club clock
Modern 'Vintage-Style' Veglia Clocks
The collecting market also contains clocks built to look older and using recognizable Veglia dials or mechanisms. Some listings describe such pieces as antique or mid-century Italian chess clocks, but construction and survival patterns make those claims difficult to accept without provenance.
A Veglia-based vintage-style chess clock
How to Classify Ambiguous Pieces
Depending on how and why a modern object was made and represented, it may be an assemblage, fantasy piece, tribute, reproduction, or counterfeit. Intent and disclosure matter.
Historical Significance
Italy is valuable as a research caution. A major national clock industry can leave components throughout the international chess-clock record without leaving a securely documented chess-clock product line of its own.