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Rolex Deepsea VS. Sea-Dweller.

Let's compare two epic diver watches

Both the Rolex Deepsea and the Rolex Sea-Dweller 4000 have amazing water resistance so let's compare these two very great diver's watches that are favorites among the professional divers in the world. For starters, during the testing these two watches have both gone through some of the harshest conditions known to man and have both passed with flying colors. There is a $1650 difference in list price between these two watches. After reviewing the unique features of each, it's up to you to decide if the extra features are worth it to you or not. Read further for the full scoop on each watch. We will list all the common features, then all the unique features of each watch. Or click here for the side by side basic specifications.

Other than the case size, the main difference between these two watches is their resistance to unimaginable pressure. In terms of water resistance, the Rolex Deepsea would certainly take the prize for water resistance with a very impressive 12,800 feet / 3900 meters of water resistance compared to the Dea Sweller 4000 which has 4,000 feet / 1,220 meters of resistance. To get an understanding of the amount of pressure the watch can go under, there are 5548.99 pounds per square inch (PSI) of pressure at a depth of 12,800 feet and 1734.06 pounds of pressure (PSI) at 4,000 feet underwater.

 

Another noticeable differentiating feature would be the Helium escapement valve located on the Rolex Sea-Dweller Deepsea. While both of these watches are part of the Rolex Sea-Dweller series, only one of them has the name Deepsea printed on the dial just below the Rolex logo. This is a designation reserved for a diver watch that has a tough as nails 5mm domed sapphire crystal set in a patented 3-piece case with the Ringlock System, a practically indestructible nitrogen alloyed stainless steel support ring set inside the case this is a watch that can handle the type of pressure that would literally crush a submarine!

 

Rolex Sea Dweller VS Rolex Deepsea Divider

Features That Both Watches Have in Common

  • Polished stainless steel crown that uses Rolex's Patented Triplock locking crown which screws down and locks the case closed as strongly as a submarine hatch
  • Bezel insert is made of black "Cerachrom" which is a tough and hardened ceramic material which is durable, scratch-resistant, has anticorrosive properties and is impervious to UV related color fading. The ribbed edge of the bezel gives you a better grip when rotating
  • Luminous dot on the bezel at the 12 o'clock position
  • Black dial and hands and hour markers that have a Chromalight display and long-lasting blue luminous fill
  • The case made of 904L stainless steel, a material used in aerospace, high-tech, and chemical industries. This steel is known for being highly resistant to the harshest environmental conditions and can be highly polished. It can also maintain its beauty in severe conditions
  • Powered by the self-winding Rolex Caliber 3135 in-house automatic movement which has a shock resistant and paramagnetic Parachrom hairspring which offers greater resistance to temperature fluctuations. The Rolex 3135 movement has an approximate power reserve of 48 hours
  • Both models are Superlative Chronometers which means they have a precision of -2 / +2 seconds per day and have passed both the COSC certified chronometer testing as well as the Rolex internal testing
  • Rolex Oyster bracelet with the Oysterlock clasp which prevents it from accidentally being opened. The bracelet also uses Rolex's Glidelock system which allows you to incrementally increase the size of the bracelet without having the need for tools which is perfect for adjusting the bracelet a bit and comfortably slipping it over a diving suit
  • Unidirectional 60-minute rotating bezel with platinum coated numerals and graduations
  • Date window at 3 o'clock position
Rolex Deepsea Comparison

Unique Features of the Rolex Deepsea

  • 44mm case size
  • A Helium escapement valve for incredible water resistance
  • Case uses a virtually indestructible nitrogen-alloy support ring set inside the case with the 3 piece Ringlock System and an extra thick 5mm sapphire crystal
  • Outer ring of the dial says "Original Gas Escape Valve" around the top and "Ring Lock System" around the bottom
  • Additional Fliplock extension links allowing the bracelet to be extended by an extra 26mm to help it fit even more comfortably over a heavy duty diving suit
  • 12800 feet / 3900 meters of water resistance
Rolex Sea-Dweller 4000 Comparison

Unique Features of the Rolex Sea-Dweller 4000

  • 40mm case size
  • 4000 feet / 1220 meters of water resistance

Side By Side Comparison of the Rolex Deepsea VS Sea Dweller 4000

 
Brand: Rolex Rolex
Series: Deepsea Sea Dweller 4000
Model #: 116660 116600
Size: Mens Mens
Case Material: Stainless Steel Stainless Steel
Dial Color: Black Black
Bracelet/Strap: Stainless Steel Stainless Steel
Clasp Type: Folding Clasp With Safety Latch Folding Clasp With Safety Latch
Movement: Automatic Automatic
Bezel: Uni-Directional Rotating Uni-Directional Rotating
Crystal: 5mm Scratch Resistant Sapphire Scratch Resistant Sapphire
Case Back: Solid Solid
Water Resistance: 12,800ft / 3,900m 4,000ft / 1,220m
Case Diameter: 44mm 40mm
Case Thickness: 17.60mm 14.8mm
Warranty: Prestige Time 5 Year Warranty Prestige Time 5 Year Warranty
 

Deciding between these two would most likely boil down to you gauging the difference in water resistance and price. Whether or not you need a seriously heavy duty diving watch like the Rolex Deepsea VS the Rolex Sea-Dweller watch would largely depend on a few things. Namely, your budget and how adventurous you are as a professional deep sea diver and how willing you are to live on the razor's edge in the harshest conditions.

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