A Henry London watch which has a green strap. The watch can show what date it is.
From Amazon
Henry London Unisex Adult Analogue Classic Quartz Watch with Leather Strap HL39-S-0098
OnBuy
Unisex Watch Henry London HL39-S-0098 (Ø 39 mm)
ShopBetter24
Unisex Watch Henry London HL39-S-0098 (Ø 39 mm)
Shopaide
Unisex Watch Henry London HL39-S-0098 (Ø 39 mm)