It is waterproof, so it is water resistant, and it is very safe. Simple design nurse watch
Specifications and Sizes:
Material/Case: Alloy Alloy, Glass: Mineral Glass, Other, Movement/Japanese 10 ATM Water Resistant, Pulse Measurement Measurement Included, Dial Luminous
[2 Way]
Bungee Coil Strap & Short Chain Size (Approx.): Case Diameter 1.2 x Thickness 0.9 inches (3.1 x 0.9 cm), Bungee Total Length 7.1 inches (18.0 cm), Mesh Clip Total Length 4.8 oz (12.2 cm), Weight When Attached Bungee Clip: Approx. 0.7 oz (19 g).
[Short chain]
Date and day display included; Weight: Approx. 1.1 oz (30 g) size (approximate): Case Diameter 1.2 x Thickness 0.4 inches (3.1 x 1.0 cm), Total Length 4.7 inches (12 cm).