====== Rolex Oyster Perpetual Date Sea-Dweller 4000 ====== {{wst>image_cr|Rolex|Sea-Dweller 4000}} **Rolex Sea-Dweller 4000** [[Dive watch]] by [[Rolex]] The Sea-Dweller is a further development of the (still produced) predecessor [[Rolex Submariner]] and is aimed at professional diving at great depths. This is enabled by a [[water resistance]] to a depth of 1,220 meters. (= 4000 ft., hence the name) In the current version, the [[Rolex Oyster Perpetual Date Sea-Dweller Deepsea|Sea-Dweller Deepsea]], which had been presented at the [[Baselworld]] [[2008]], it is even [[waterproof]] up to a depth of 3,900 meters. **Reference:** * 16600 **Movement:** * [[Manufacture]] movement[[Rolex 3135]], [[self-winding]] (bi-directional winding), 28,800 A/h * Certified [[chronometer]] ([[COSC]]) * [[Power reserve]] 48 h **Case:** * [[Stainless steel]] 904L * Ø 40 mm * Unidirectional turning [[bezel]] * [[Sapphire crystal]] (without loupe) * [[Screw-in crown|Screw-in Triplock crown]] * Pressure compensation valve for professional divers * [[Waterproof]] to 1,220 m (122 atm) **Dial:** * Black * Indexes with [[luminous material]] [[Superluminova]],encircled by [[white gold]] **Functions:** * Hours, minutes, [[central seconds]], date **Bracelet:** * Oyster bracelet with [[folding clasp]] * Optional Fliplock bracelet with extendable prolongation links ===== Literature ===== *[[Das ZEITGEFÜHL-Uhrenbuch]]; Author [[Gerd-Lothar Reschke]]; ISBN 3-938607-61-0 ===== Weblinks ===== *[[http://www.oysterinfo.de/de/geschichte/sd/index.php|oysterinfo.de - Die Geschichte des Modells Rolex Sea-Dweller]] (German) {{tag>Watch_models Rolex_models}}