Rolex brand Model (Watch) Sea-Dweller Reference number 16660 Automatic winding Case Material Steel Strap material Steel Condition Used (Good) The item shows signs of wear perceptible to the sight and touch, such as scratches, nicks or small dents. Last revision 10 January 2024 Internal audit Kit original documents, no box Automatic loading Case Case Material Steel Diameter 40 mm Waterproof Over 120 ATM Bezel Material Steel Glass Sapphire crystal Black dial Numerals on dial Without numerals Strap Strap material Steel Strap colour Steel Folding clasp Clasp material Steel