Rip Curl Watches - Rip Curl Atom Digital Watch - Rasta :: Men > Watches. Waterproofing: 100m water resistance ratingDisplay: Digital day. date and timeStrap: Polyurethane Strap - Water-repellent. tear-resistant and able to\n withstand dramatic temperature changesDual timeCase Width: 42mmBack lightCountdown timerCase: ABS case - lightweight and tough plastic with high impact strengthStop watchAlarm Size: one size.