Early 19th Century Pink Gold French Grand Sonnerie Musical Open Face Clock Watch with Quarter-Hour Repeater and Key. Engine turned case numbered with case maker mark (partial), raised "T. E" inside diamond mark, otherwise unmarked. Grand Sonnerie automatically plays music at the hour only, quarter-hour repeater activated with pendant piston. Sliding switch at 1 o'clock position at outer rim changes repeater from hours and quarters to quarters only. Second slide switch at 6 o'clock position plays music on demand. Case is crisp and clean. Dial has very faint hairline cracks, otherwise excellent condition. Case Diameter: 57mm. Case Material: 14K Pink Gold (Minimum), Unmarked. Case Number: 7786. Case Type: Open Face, Engine Turned. Chapter: Arabic, Black. Complications: Grand Sonnerie Musical Clock Watch and Quarter-Hour Repeater. Condition: Runs, Stops and Starts. Dial: White Enamel. Gross Weight: 148.2 grams, Excluding Key. Hands: Blued Steel Breguet. Movement: Key-Wind, Key-Set, Cylinder with Diamond Endcap, Unmarked. Signed: Unmarked.