Lepine. A rare and unusual 18K gold openface quarter repeating watch with centre seconds, date and regulator dial

Lepine. A rare and unusual 18K gold openface quarter repeating watch with centre seconds, date and regulator dial
Signed Lepine a Paris, no. 9839, circa 1830
With gilt-finished cylinder movement, quarter repeating on two polished steel hammers, gold cuvette, the engine-turned silver regulator dial with outer Arabic seconds division, sweep centre seconds, two small subsidiary dials indicating the time and the date, in circular engine-turned case with seconds start/stop lever underneath the bezel, repeating through the pendant, pendant locking lever in the band, case numbered, cuvette and dial signed
53 mm. diam.