A Unimatic U5S-AN, purchased new but found too small for the seller's wrist. The watch is sealed with an Unimatic seal and can be verified by proof of purchase.
The Unimatic U5S-ML is a collaboration between Unimatic and Massena Lab, with only 300 units produced. It features a numbered limited edition and includes a full kit, including an extra yellow strap that matches the seconds hand.