A Komono watch which is equipped with a grey dial. The watch runs on batteries, so it's easy to maintain.
From Amazon
Komono Mens Analogue Quartz Watch with None Strap KOM-W4054
ShopBetter24
Men's Watch Komono KOM-W4054 (Ø 41 mm)
Shopaide
Men's Watch Komono KOM-W4054 (Ø 41 mm)