Rare English silver pocket watch with a glazed back Circa 1800

Silver open face with Ottoman inscription
–
An English watch with silver plated case with a glazed back, gilt movement with automatic winding and cylinder escapement, circa 1800.
Signed enamel dial, date with hand, Ottoman inscription, blued steel hands, dial with minimal hairlines, technical rarity.
–
Diameter: 62 mm
–
Weight: 215 g
–
Signed: Markwick Markham  London
–
Comparable watches with early self winding mechanism are illustrated in Jean-Claude Sabrier “The Self-Winding Watch – 18th-21st Century”, Paris 2011.
–
Movement intact but needs cleaning.