Triwa Yellow Sub

Featured in GQ's "100 Best Things in the World" list, Triwa by Tritoni are a new range of watches from Sweden, and the range of colours is dizzying. Made from Poly Carbon plastic (the same stuff that's used to create protective eyewear in helmets and the like), they're super lightwight and super tough. The watch glass is made by Miyota (Citizen).

Case: Yellow PC plastic
Strap: Yellow PC plastic
Bezel color: Yellow
Dial color: Yellow
Movement: Miyota 2115