For many watch collectors, what’s often inside matter the most. This year especially, luxury watch brands have put forward some awe-inducing timepieces, shining light onto what’s often hidden behind the scene. Moreover, skilled watchmakers show their true confidence by embracing skeleton designs that put complications on full display. From Hermès’ playful way of showing the artistic complication through its horse-motif cut-out, and Piaget’s gleaming diamond settings inside and out to the limited-edition Cloche de Cartier featuring a singular shape and Richard Mille’s new RM 037 that boasts intricate shapes of the white ATZ ceramic bezel and cashback, STYLE has selected new, labyrinthine designs that show the mastery of watch movement. Watches & Wonders Geneva 2021’s biggest brand reveals: Rolex, Patek Philippe and Tudor all unveil green-tinted models, while Cartier, IWC and Panerai lead the smaller timepiece trend Vacheron Constantin The 18-carat pink gold Overseas Perpetual Calendar Ultra-thin Skeleton lays bare its intricate Calibre 1120 QPSQ with its displays of moon phase, 48-month counter and hand-type date, HK$1,020,000 (US$130,000). Richard Mille The RM 037 shows what the brand does best: crafting sophisticated yet robust creations, with a function selector to customise the winding and a skeletonised automatic-winding in-house movement set with dazzling gemstones. Price upon request. Gucci watches: what to expect from the luxury fashion brand’s first foray into high watchmaking – plus Omega’s Olympics-inspired timepiece Cartier With only 20 pieces issued, the Cloche de Cartier in platinum, set with brilliant-cut diamonds, is The Peak of artistic complication with a unique asymmetric case, allowing it to be repurposed as a small desk clock, HK$645,000 (US$83,000). Piaget Set with 1,698 dazzling brilliant-cut diamonds and 316 baguette-cut diamonds, the Polo Skeleton High Jewellery watch in 18-karat white gold shows delicate mastery of jewel setting on an ultra-thin skeleton movement. Price upon request. 9 new timepieces Patek Philippe unveiled at Watches & Wonders: an olive green 5711, new Nautilus and Calatrava models plus the Swiss brand’s first in-line perpetual calendar Hermès With the brand’s distinctive horse-head motif as a cut-out, revealing the racks and snail cams, the Arceau Lift Tourbillon Répétition Minutes in rose gold has been updated to include a minute repeater with double-H tourbillon carriage, HK$2,292,500 (US$295,000). Want more stories like this? Sign up here. Follow STYLE on Facebook , Instagram , YouTube and Twitter .