Repeating Watch no. 2778

Case: Missing Dial: Missing Movement: Nickel, unusual ¾plate construction, capped pallet pivots. Same movement design as watch 1891 Provenance: 19?? - CH Meylan, Brassus 2015 - ebay #171705400617, $1,026, 10 Mar 2015 "This is a Charles Henri (C.H.) Meylan minute repeater pocket watch movement. Serial# 2778. High grade nickel movement is cap jeweled on pallet and escape wheel, and has compensation balance with overcoil hairspring and micrometric regulator. Marked "Adjusted, Isonchronal Vibrations". Metal dial is likely a replacement. Movement is complete. It is running and chiming. It chimes very rapidly. 42mm diameter."