CHOPARD. AN 18 K GOLD AND GEM SET QUARTZ CALENDAR WRISTWATCH. Maker: Chopard. Model: Happy Sport. Reference: 27/6180-401. Date: C.2006. Movement: Quartz. Dial: Signed, pink mother of pearl, outer minute track, quarter Roman numerals, date aperture at the 6 o'clock position, blued sword hands, free-floating rubies and white/pink diamond collets.  Case: Signed, white gold, pavé set with diamonds, fixed and diamond set yellow gold bezel, cabochon ruby set crown and lug blanks, screwed down back. Strap: Signed, original pink leather, signed gold and diamond set buckle. Size: 25.5mm. Accompaniments: Chopard box, spare plain gold buckle.