Two new versions of the Rendez-Vous Jewellery, with Night & Day or Moonphase indications, feature prong-set diamonds on the bezel. The movements are the equally dazzling Jaeger-LeCoultre 898B and 925A.

Harder, lighter, more resistant to scratches, shocks or corrosion, new materials stood out across several of the collections unveiled at SIHH 2019. Here's a rundown of these alloys and other materials that watchmakers are borrowing from aerospace or medtech.

In honour of pioneering aviator Alberto Santos-Dumont, a friend of Louis Cartier, the brand has introduced a chronograph version of the Santos. The movement is the in-house 1904-CH MC with column wheel and vertical clutch.

Three new Clifton Baumatic make their debut, with a red gold case and gradient blue dial. All three are driven by the BM13 version of the Baumatic movement, combining performance and design.

For the fourth consecutive year, Carré des Horlogers welcomed a panel of brands representing "new watchmaking", the majority of which are intent on shaking up old habits and traditions.

Panerai, famed for its link to Italian combat divers, introduces the Panerai Submersible Marina Militare Carbotech™ - 47mm as a 33-piece limited edition. Made from carbotech, a material based on carbon fibre, this professional dive watch delivers remarkable technical performance.