This month, RumbaTime is hosting its first-ever celebrity breast cancer charity auction. Stars like Vanessa Hudgens, Rachel Zoe and Kourtney Kardashian have autographed pink watches that the company is selling on Ebay. If you don’t see your favorite celeb’s watch right away, don’t panic. The timepieces will go up for auction all throughout the month of October—so keep checking in! 100% of the proceeds will go directly to The Breast Cancer Research Foundation.