Add-A-Link-Of-Charm Pandora Style Watch Round Cz Stone Bracelet This watch is Japanese Quartz. "Water Resistant" These watches are rated 3ATM which means min water resistant, that is walking in the rain, washing a car. They are just "resistant" it does not mean they are water proof. With being water resistant you should Not have issues with the Internal works! Snake-like, flexible 3 mm chain with clasp and chain with heart at end of Chain. Size is adjustable 7 inches without chain with heart 8 inches hooked by heart at end of the chain. Start out with a Watch & Bracelet, Build a Bracelet, Love is shown in Many ways, One bead at a time works wonders! In fact many folks are now NOT crowding their bracelets. These watches are NOT Pandora watches (Pandora does not have watches similar to this at all) Add A Link Of Charm's finished product stands side by side with Pandora, Troll charms, Chamilia beads and Biagi beads just to name a few.