Rolex brand Model (Watch) Sea-Dweller Reference number 16600 Automatic winding Case Material Steel Strap material Steel Year of manufacture 1996 Condition Excellent (second-hand, no or barely visible signs of wear and tear) Kit original Rolex documents and service carried out in 2016 Calibre Automatic winding 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 Functions Data