Is the movement ticking smoothly?

Authenticating a D1 Milano watch via serial number requires locating the engraving on the case back or underside of the lugs and contacting the brand directly, as no public online lookup tool exists. The brand, which utilizes Japanese movements and 316L stainless steel, advises contacting their client service team for verification within 1-2 working days. For more details, visit D1 Milano . D1 Milano Xray Watch Review - 12&60

: It is typically engraved on the case back or on a unique serial number plaque for limited editions.

If you can tell me the and where you bought it , I can help you spot other potential red flags. Share public link