FREDERIQUE CONSTANT REF. FC 930 DIAMOND & SAPPHIRE "ROYAL HEARTBEAT" LIMITED EDITION WHITE GOLD Frederique Constant, Genève, "Royal Heartbeat," No. 05/88, Ref. FC- 930x4HD8. Made in a limited edition of 88 pieces in the 2000s. Fine, self-winding, water-resistant, 18K white gold wristwatch with diamond-set bezel and pavé-diamond dial with sapphire hour markers, visible escapement and an 18K white gold buckle. Accompanied by a fitted wooden Frederique Constant box, hang-tag, Certificate and instruction manual. Three-body, polished, curved band and VVS white diamond-set bezel, curved lugs, transparent case back with 8 screws, sapphire crystals. Pavé diamond with sapphire hour indexes, large aperture to view the escapement. Blued steel poire hands. Cal. FC930/935, rhodium plated, fausses côtes decoration, 27 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronisms and 5 positions, self-compensating flat balance spring, shock absorber, micrometer regulator. Notes Dial, case and movement signed. DIAM. 40.5 mm. THICKNESS 11 mm.