Breitling Chronomat Automatic South Sea 36, £6,550, breitling.comTaking a deconstructed approach to the theme is the Bulgari Allegra, which frames a tiny, time-only dial with varied sizes and cuts of citrine, amethyst, peridot, blue topaz and rhodolite, set among white diamonds in an apparently arbitrary fashion.Bulgari Allegra, £24,200, bulgari.comIf subtle is the keyword at Bulgari, it's a case of more is more for Hublot, with a polychromatic party in full swing across the dial, bezel, case and strap of the Big Bang Unico Titanium Rainbow 45mm.
Coloured sapphires, rubies, amethysts, topazes and tsavorites combine with a multicoloured black rubber and alligator-leather strap.Hublot Big Bang Titanium Rainbow 45mm, £58,400, hublot.comA.
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