“Lapis Lazuli” Vacheron & Constantin, Geneva, movement No. 402866, delivered in 1927. Case by Verger Frères, No. 10683. Elegant and unique, thin, 18K gold and enamel, square Art Deco keyless dress watch. Accompanied by a Certficate of Authenticity. Square with canted corners, two-body, bezel, pendant and back enameled to imitate lapis lazuli with goldinclusions, black lacquered monogrammed "F.L." on the back, cabochon sapphire winding crown. Silver, matte, applied white gold “cubiste” upright Arabic numerals, outer minute track. Polished steel “Breguet”hands. Cal.16’’’162, rhodium plated, 18 jewels, straight line lever escapement, cut bimetallic balance witheight adjustments, flat balance spring, index regulator.Movement signed Vacheron & Constantin, case punched Verger Frères.Dim. 40 x 40 mm.