FREDERIQUE CONSTANT, HEART BEAT STEEL Frederique Constant, Genève, “Heart Beat,” No. 056/500, Ref. FC-910X3H6. Made in a limited edition of 500 pieces circa 2005. Fine, water-resistant, stainless steel wristwatch, partially skeletonized to view the escapement, with a stainless steel Frederique Constant buckle. Accompanied by a fitted Frederique Constant box. C. Three-body, rounded bezel, straight lugs, transparent back with eight screws, sapphire crystals. D. Two-tone textured silver with black Arabic numerals, concentric Frederique Constant decoration, outer minute division with 5-minute Arabic markers, aperture to view the escapement on a fausses cotes-decorated reserve. Blued steel spade hands. M. FC 910/915, rhodium-plated, fausses cotes decoration, 17 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronisms and to five positions, self-compensating flat balance spring, shock absorber. Dial, case and movement signed. DIAM. 39 mm. THICKNESS 9 mm.