Six timepieces with unique blue dials

Audemars Piguet The blue version of the Royal Oak Offshore Diver Chronograph features an edgy design and matching blue straps. Priceon request

Vacheron ConstantinThis stainless steel Overseas World Time features its signature blue dial with a projection of the continental map and a display of no less than 37 time zones, about HK$307,000

IWC This special-editionLe Petit Prince with a midnight blue dial has the little prince engraved on the back of the case. The dial design is based on the historic Big Pilot's Watch, HK$40,700

Panerai This sophisticated piece with a sun-brushed blue dial uses a special red gold to add an elegant reddish colour to the case, HK$279,000

Franck Muller This beautiful Double Mystery watch paved with diamonds features rotating hour and minute discs, HK$704,000