A nice looking watch which has a blue strap. The watch runs on batteries, so it's easy to maintain.
From Amazon
GUESS Men Chronograph Quartz Watch with Silicone Strap W1047G2
ShopBetter24
Men's Watch Guess W1047G2 (Ø 46 mm)
Shopaide
Men's Watch Guess W1047G2 (Ø 46 mm)
Watch Shop
Mens Guess Octane Chronograph Watch - Grey / Blue