Case Round case in 18k white gold, brushed and polished, fixed bezel in 18k white gold, brushed and polished, sapphire caseback fixed on 8 screws engraved ‘Harry Winston’, reference and number of a watch in limited edition, winding crown at 3 o’clock with embossed ‘HW’ logo between protective shoulders of the case Strap Black alligator strap, signed ‘Harry Winston’, pin buckle in 18k white gold, signed ‘Harry Winston’ Dial Black Cotes de Geneve dial, signed ‘Harry Winston Tourbillon 110 Hours’, black chapter ring with cartouches and blue luminous Arabic numerals, ‘sword’ hour and minute hands, luminous, warning indicator of low (last 25 hours) power reserve at 6 o’clock, small seconds hand on tourbillon axis at lower part of the dial, black polished tourbillon bridge Movement Self-winding mechanical movement, dark grey coated, bridges with Cotes de Geneve, mainplate with perlage, engraved and white filled inscriptions, 1 gold chaton fixed by screws, tourbillon with black polished bridge, open-worked gold rotor with ‘HW’ logo, functions: hours, minutes, tourbillon, critical low power reserve warning indicator Cal. HW401A Ref. 400/MAT44WL.NA Case No. 029*** No. **/80 D= 44 mm
