Philip Stein Women's 31TG-AGW-TGSS "Active" Gold-Plated Two-Tone Watch Gold-plated stainless steel watch with textured wave pattern on inner dials and skeleton hands Japanese quartz movement with analog display The proprietary natural frequency technology inside Philip Stein watches and jewelry is tuned to pick up natural frequencies that are believed to be beneficial to life and overall well-being Features include deployment-buckle closure, chronograph subdials, and protective mineral crystal dial window Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving