The Watch: Swatch Sir 34mm Case Blue Mens Watch GN718 Defined by its striking all-blue colouring, this Swatch Sir Blue Unisex Watch (GN718) also features a day and date window and a sleek silicone strap.   Key Features: Swiss-Made Quartz Movement Plastic Case Silicone Strap Water Resistant to 30m   The Brand: Swatch Swatch watches are globally-renowned for their trademark combination of quality Swiss watchmaking, pioneering use of plastic cases and straps, and eye-catching designs. There is a Swatch watch to suit every age, taste and lifestyle, with this variety and sense of difference ensuring that Swatch watches remain some of the most popular and sought after currently manufactured.