New waterproof wristwatch WobL+ Waterproof has 9 adjustable, independent alarm times per day and is waterproof up to 10 ATM, meaning it can be used during bathing or swimming. Extra suitable for children and adults with active school and leisure time.
http://www.thebedwettingshop.com/en/wobl-waterproof-watch-blue
[rev. is no longer available for sale]