By Roberta NaasToday?s watch brands are pulling out all the stops as they unveil new timepieces that run the gamut from classic to sporty, elegant and even three-dimensional masterpieces. With the Couture Time Show taking place this spring in Vegas, it?s a great time to zoom in on watches.CorumGOLDEN BRIDGE ROUND 39MMProving its technical prowess for women?s watches too, Corum deftly blends its jewelry expertise in this Golden Bridge Round 39mm watch. Crafted in 18-karat white gold, the piece is meticulously set with diamonds for a high-jewelry expression. The watch?s horizontal baguette movement is a manual windcaliber, CO 113, with 40 hours of power reserve. The watch is set with 76 Wesselton diamonds on the case and another 142 diamonds on the dial in leaf motif. In total, it boasts approximately 6 carats of diamonds. PRICE: $98,600.BUBBLE CENTRAL TOURBILLONA bold and alluring timepiece, the Corum Bubble Central Tourbillon watch, crafted in titanium, features an always-moving center tourbillon escapement. The tourbillon compensates for errors in timekeeping due to the effects of gravity when the watch is in certain positions on the wrist. Housed inside the famed 47mm titanium Bubble case, the complicated watch becomes a thoroughly modern and engaging timepiece. The hours and minutes are indicated via triangular markers and the tourbillon displays the seconds. The automatic movement offers 65 hours of power reserve. PRICE: $76,500. TITANIUM CASE SHOWNFOR MORE INFORMATION:...