If there's one key look in watches right now, it's sparkle - and lots of it. Baselworld 2015 dazzled with gem-studded designs, as the world's luxury watch companies jostled for attention. Here are a few of our favourites.

1. Rolex Oyster Perpetual Datejust Pearlmaster 39, rolex.com

Baselworld 2015: the ones to watch

A glittering update on the original and in a new 39mm size, the Pearlmaster captivates with a perfect gradient of 48 baguette-cut sapphires in shades of blue, fuchsia, green and yellow.  

2.  Longines Symphonette, longines.com

Baselworld 2015: the ones to watch

The streamlined style of the new oval-shaped Longines Symphonette collection has us weak at the knees. Choose from a polished lacquered black dial, silver dial or the divine rose gold version with mother of pearl dial. Each design can be finished with diamonds and either a steel mesh bracelet or black alligator strap.

3. Christian Dior VIII Grand Bal 'Plisse Soleil', dior.com

Baselworld 2015: the ones to watch

In a limited edition of 888 pieces each, the Dior VIII Grand Bal 'Plisse Soleil' timepieces boast a scalloped silvered dial to emulate the sun's rays, topped with a translucent cobalt blue lacquer. Choose - if you can - between the deep burgundy or blue alligator straps, or the stainless steel bracelet.