L.Leroy OSMIOR LL106

L. Leroy Osmior Tourbillon 18K Rose Gold Automatic Regulator Wristwatch No. 1793 Ref. LL106

L. Leroy Osmior Tourbillon 18K Rose Gold Automatic Regulator Wristwatch No. 1793 Ref. LL106. Case: 41mm, 18k rose gold, 3 body, 4 screw case back, exhibition back, LL106. Dial: open flying tourbillon display, regulator lay-out, 12 hour display at 6 with black Arabic numerals, central minutes hand with outer track displaying minute marks and 5 minute Arabic numerals, constant seconds at 12, rose gold skeleton hands. Movement: Cal. L512, automatic winding, 22k white gold rotor, 23 jewels, flying tourbillon with variable- inertia balance with four gold setting screws and double balance spring, diamond escapement, non-lubricated StruTech blank (61 components for 0.8 grams), sunburst Côtes de Genève finish, movt. # 1250, Besançon Viper's Head stamp, Observatory bulletin de marche from Observatoire De Besançon. Band: black alligator strap, 18k rose tang clasp.