Barney Cheng, Denise Lo, Laetitia Yu and Nina Lam were among the crowd showing their support, as Emperor Watch and Jewellery and Chopard celebrated 25 years of the Happy Sport timepiece collection. Co-hosting the cocktail party with Hong Kong Tatler at Emperor Watch and Jewellery, Central, chairperson and chief executive officer Cindy Yeung chatted with guests as they enjoyed the bespoke interactive technology. The collectable timepiece, which sees diamonds floating freely inside the watch-face, continues to be a hit with customers and jewellery connoisseurs alike.