Swatch Pink Board GP158 Design: Skeleton dial revealing parts of the inner movement mechanism, with 3D printed numbers giving a vibrant look. Movement: Swiss-made quartz (battery) system. Materials: The case is made of transparent plastic, and the strap is made of pale pink silicone. Water Resistance: Water-resistant up to 30 meters (3 bar), making it suitable for daily use and resistant to water splashes. Dimensions: Case diameter approximately 34 mm, making it very suitable for ladies or unisex.