For more than 40 years, the P has stood for precise and the R for robust in the PR 100 watch from Tissot. 34mm stainless steel case with polished bezel and scratch-resistant sapphire crystal Mother-of-pearl dial with diamond compass point accents, Super-LumiNova® hands and markers and date display Swiss quartz movement Interchangeable quick-release stainless steel bracelet; push-button fold-over clasp Water-resistant to 100 meters Kay Jewelers Tissot PR 100 Women's Diamond Accent Watch T1502101111600