1. This steel Dior Christal 33mm automatic ($9,100) is set with 177 diamonds and features a white mother-of-pearl dial and sapphire crystal pyramids on the bracelet. Dior Boutique, 870 Madison Avenue, 212-249-8963; dior.com.2. With its crystal setting, the Ariel watch from BadgleyMischka ($195) is a shining star. The cover piece slides away to reveal the dial below, turning it into beautiful jewelry that also happens to tell time. Available at Henri Bendel, 712 Fifth Avenue, 212-247-1100; badgleymischka.com.3. From TechnoMarine, the UF6 Diamond timepiece ($9,990) balances sporty chic with elegant sophistication. Crafted in steel with a rubber strap, the 42.5mm watch is set with three carats of full-cut diamonds. Available at Tourneau, 12 East 57th Street, 212-758-7300; technomarine.com.4. DeWitt’s Silicium Grande Date Diamonds watch ($45,000) is made of 18k white gold with a mother-of-pearl dial. The mechanical movement houses cutting-edge silicium parts. Available at Cellini, Waldorf=Astoria Hotel, 301 Park Avenue, 212-751-9824; dewitt.ch.5. The Royal Oak Offshore chronograph from Audemars Piguet ($81,400) is crafted in 18k rose gold, set with diamonds, and is water-resistant to 50 meters. Audemars Piguet, 40 East 57th Street, 212-758-8400; audemarspiguet.com.