Franck Muller Vanguard S6 Yachting EXHIBITIONIST

$70,400 franckmuller.com

If you have a mega-yacht (or it’s on your lust list), Franck Muller has the mega-timer. This horological vessel features “seafaring details from the deep blue to the wind rose adorning the dial” and you can choose the “hull” in rose gold, stainless steel or bronze. Power comes from a self-winding movement with seven days’ reserve.

Rolex Deepsea $15,950 rolex.com

The beefiest Rolex possesses an unmistakable presence and the 2018 dial detailing is a fresh update, along with wider-spaced lugs and strap (up slightly to 22 millimetres). A new-generation COSC-certified movement with 70 hours of power reserve offers accuracy of -2 to +2 seconds a day. It can withstand a depth of 3900 metres – about 3.7 kilometres more than the greatest ever reached.

Patek Philippe Complications Ladies Chronograph

$US83,918 patek.com

This elegant 38-millimetre watch boasts vintage-look details such as curved lugs and guillochéd pushers, as well as 72 diamonds set into the bezel, a silvery opaline dial and Breguet hands. The movement is manually wound and has an instantaneous 30-minute counter and six patented innovations.