However complex a watch may be in its array of functions, or how individual in its design, the vast majority of them still adhere to the familiar two-handed analog style when it comes to the basics of displaying hours and minutes. Here are five that do it a little differently.

MB&F HM3 FROGX

Max Büsser and Friends have long specialized in audacious, off-the-wall designs in their ?horological machines,? one of the most memorable being the HM3 Frog, which leapt into the watch world in 2010. The 10-year commemorative edition, launched last year, keeps the tradition alive with its two globular ?eyes? that are actually thin aluminum domes rotating under markers to indicate the hours and minutes. The frog-shaped case (48.3 mm x 52.7 mm) is made of sapphire and constructed from 59 individual parts, including specially colored gaskets to ensure a 30-meter watch resistance. The FrogX, in three limited editions of 10 pieces, is the first in the series in which the case is designed to show off the high-tech movement, created by Jean-Marc Weiderrecht, and its emblematic battle-axe rotor in a color matching the gasket?s. Price: $152,000.
URWERK UR100-V ?T-REX?

Urwerk?s stock-in-trade is using orbital rotating satellites for a dynamic 3D indication of the time. The brand showcases the latest evolution of this unusual and technically complex system in the UR100-V ?T-Rex,? whose dinosaur nickname is derived from the textural scaled pattern on its 41-mm x 49.7-mm br...