BULGARI DIAGONO GMT YELLOW GOLD Bulgari, "Automatic Chronometer Officially Certified, GMT, Diagono Professional", No. L1159, Ref. GMT 40 G. Made circa 2003. Fine, self-winding, water-resistant heavy 18K yellow gold wristwatch with center seconds, three-time-zones with independently adjustable hands, day and night 24-hour indication and 24-hour bezel, Bulgari strap with 18K yellow gold buckle. Dial, case and movement signed. Notes DIAM. 40 mm. THICKNESS 12 mm.