SponsoredThermal Attraction Watches Change Color As Your Body Temp RisesStudio@Gizmodo3/01/11 2:00pmFiled to: HotnessAdvertisementKotakuHeadline0EditPromoteShare to KinjaToggle Conversation toolsGo to permalink All in favor of heating up, raise your hands. This spring, show just how much body heat you generate with the new Thermal Attraction watches from Diesel. Their straps register body heat and show the world how hot you are by changing color. All watches come with silver and black dial with digital function. Check out the new collection in the gallery, and click here for everything thermal from Diesel Watches! Advertisement Enter to win one of three Diesel watches from the Thermal Attraction collection by emailing your name and contact information to firstname.lastname@example.org with "Diesel Watches Thermal Attraction Contest" as the subject line by 6 PM EST on March 4. Winners will be chosen at random. Standard contest rules apply. Only open to US residents. Readers may also enter by sending their contact information to Gawker Media, Attn: Diesel Watches Thermal Attraction Contest, 210 Elizabeth Street, Fourth Floor, New York NY 10012. The contest begins on February 7 at 11:59am EST and ends on March 7 at 11:59pm EST. DZ7211's strap goes from royal purple to cool blue. DZ7212's strap changes from green to yellow with heat. DZ7213's magenta strap changes to the hottest color of all, white. Click here for more thermal hotness from Diesel Watches!