A foudroyante hand is visually spectacular as it is running faster than the eye can follow – foudroyante is French for lightning fast! But the complication uses a lot of energy, or did until the Greubel Forsey Nano Foudroyante EWT.

In its simplest form, the equation of time is defined as the difference between the time displayed by the position of the sun (as by a sundial) and the mean time displayed by any modern clock or watch. But that's just the beginning. Watchmaker Ashton Tracy explains more.

Ball Watch have stepped up their game with an innovative mechanical alarm watch with second time zone and a manufacture automatic movement plus their trademark super bright tritium tubes that light up the night. This is no chirping cricket!

The Bulgari Octo Finissimo Automatic and the Rolex Explorer 36 both have automatic movements, three hands, black dials, and 100-meter water resistance. Both they couldn't be more different as Perry Heim explains.

After a year of ownership, Saad Chaudhry has taken his Omega Seamaster Aqua Terra 150M to the end of the world, a dinner at a yacht club, and the open road as well as the open sea. The polished bezel has scars from doing battle against train commuters and car doors. The clasp has scraped against his keyboard more times than he cares to admit. However the watch still looks remarkably good. Here he explains why he bought it (and kept it) a year after the purchase and whether he would do it all over again.