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Rolex Sea Dweller 126600 Vs 116600 Featured

Rolex Sea-Dweller Differences Compared: New 126600 VS Old 116600

Rolex Sea-Dweller Differences: New VS Old

Rolex Sea Dweller 126600 Vs 116600 New Old

NEW: Sea-Dweller OLD: Sea-Dweller 4000
Introduced: Baselworld 2017 Baselworld 2014
Reference: 126600 116600
Movement: Automatic Automatic
Caliber: Rolex caliber 3235 Rolex caliber 3135
COSC? Yes Yes
Case Material: 904L Stainless steel 904L Stainless steel
Case Diameter: 43mm 40mm
Thickness: 15mm 15mm (needs confirmed with a precision caliper)
Helium Escape Valve? Yes Yes
Bezel: Black Cerachrom (ceramic)
Uni-directional
120 clicks
Black Cerachrom (ceramic)
Uni-directional
120 clicks
Dial: Black with glossy finish Black with satin finish
Sea-Dweller Text: Red White
Lume: Chromalight Chromalight
Rehaut Engraved? Yes Yes
Crystal: Sapphire Sapphire
Cyclops Lens? Yes No
Band: Oyster bracelet
Oysterlock clasp
Glidelock extension system
Fliplock extension link
Oyster bracelet
Oysterlock clasp
Glidelock extension system
Fliplock extension link
Crown: Triplock screw-down Triplock screw-down
Water Resistance: 4,000ft / 1,220m 4,000ft / 1,220m
Retail Price at Launch: $11,350 USD $10,400 USD

Differences are in blue

Some of points in the chart above might seem obvious but we wanted to be as specific as possible to show the similarities and differences between the new and old Sea-Dweller professional dive watches.

The main differences that are going to make or break your decision between a 126600 over a 116600 are:

  1. The larger 43mm case size
  2. The addition of a Cyclops lens over the date
  3. The red Sea-Dweller text

As an aside: The bezel does appear to be wider on the new model, but we do not have specifications to confirm that, so it was left out of the chart.

Many Rolex enthusiasts predicted that the Sea-Dweller text on the new model to be in different color than white. That was expected, but the most surprising things about the Baselworld 2017 Sea-Dweller were the large 43mm size and the Cyclops over the date.

Is bigger better?

Rolex has been slow and calculated about enlarging the case sizes beyond 41mm, and the new 43mm came at quite a shock. This new diameter is going to be a desirable size for many, but a real deal-breaker for some.

Although the larger size might not be for everybody, the 43mm diameter allowed for the caliber 3235 to have a larger barrel than the old model’s caliber 3135. This change gives the new model a very useful 70 hour power reserve. Now you can have an extra day or so between wearing the watch and having to set it to the correct time.

Cyclops or nah?

The same can be said about the iconic look of the Cyclops date magnification lens. One of the biggest differences between the Rolex Submariner and the Sea-Dweller was the helium release valve and the Cyclops lens. The Sub has it, but the Sea-Dweller didn’t – until now. This was what attracted many dive watch collectors to the Sea-Dweller… most collectors either love the Cyclops or hate it. It was nice to have the option before, but now the option is gone – you will have a Cyclops lens or you will not have a new Sea-Dweller.

Here is our review of the newer 50th Anniversary Sea-Dweller from Baselworld 2017. Here is our Watch Identifier post about the Sea-Dweller 4000 back at Baselworld 2014.

We hope this information was useful to you. Please consider buying your next timepiece from our watch shop.

Which Rolex Sea-Dweller model do you prefer: The new 126600 or old 116600?

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TigerBeach28
TigerBeach28
3 years ago

As an amateur diver the new Sea Dweller is the stupidest thing I’ve ever seen because you don’t need a date when you’re diving!

Jack
Jack
2 years ago
Reply to  TigerBeach28

As I’ve dove Tiger Beach twice I will not bite your head off. ;o) FYI… although it’s a divers watch, maybe people like the watch so much that they also wear it when they are not diving. And… nowadays we have something even better than a divers watch… a dive computer!! So, my dive watches stay dry, besides the pool and are all warn when I’m not diving. that said… happy with the date funtion… Read more »

Andre
Andre
1 year ago
Reply to  TigerBeach28

You very well might need a date in a decompression chamber.

Greg
Greg
3 years ago

I will take the old one. New one isn’t a Sea-Dweller.

Randy
Randy
3 years ago

Thanks for making this clear. I kinda like the new one… better start saving now!

Watch Addict
Watch Addict
3 years ago

I bet every Rolex store already has them sold before they even got them in stock. That’s what brands love about blogs like this is that you do all the selling and marketing for them.

Nicola
Nicola
3 years ago

I love it. Everything of it, including the wider band that was not mentioned above. Size wise it is perfectly balanced now. I will trade in my 116600 as soon as the new one is out. Regarding the cyclops.. Rolex finally was able to fix a technical issue that prevented it from being present at the start. I agree the date on dive watch is questionable.. but then only the sub no-date would make sense.… Read more »

Stephen
Stephen
3 years ago
Reply to  Nicola

What was the technical issue?

Watch Addict
Watch Addict
3 years ago
Reply to  Stephen

Maybe they couldn’t get the cyclops to stick on the crystal with higher pressures that come with 4,000 feet water depths? That’s why the DEEPSEA doesn’t have one.

Jack
Jack
3 years ago
Reply to  Nicola

Keep the 116600 and put it in a safe… for sure a better return on investment than putting it in the bank!

Benzo
Benzo
3 years ago

Do you think I should get my 116600 now or wait for the 126600? If I get the 116600 now will it increase in value? Thanks

Nicola
Nicola
3 years ago

I heard from a friend at an official Rolex dealer that the new SD will arrive as soon as May. So not much to wait. Unfortunately he also mentioned that there will be no discount off the list price, so it will be much more expensive than the 116600, which could be had at over 15% off. He mentioned receiving only about 2 watches per month, so there might be some waiting list.

Nicola
Nicola
3 years ago

I’m on the waiting list. Expected for august.

Nicola
Nicola
3 years ago

My 116600! 🙂

Nicola
Nicola
3 years ago

Actually a person called my dealer asking for a 116600; Said he was not interested in the new model. So my watch is gone. 🙁 but I managed to sell it for 500 $ more than what I paid new.

Craig Mack
Craig Mack
3 years ago
Reply to  Nicola

I don’t understand, you sold your 116600 and are waiting for the new one? What did you get for your 116600? I never wanted a 116600 before but after I saw the 126600 I suddenly wanted the 116600. So that’s where I am now.

Jack
Jack
3 years ago
Reply to  Nicola

Oops… missed this post

Nicola
Nicola
3 years ago

Yes that is correct. I sold it for 8700 euros, bought it for 8200 exactly one year ago, list price was 9700.

Mike
Mike
3 years ago

Is the cyclops plastic or Sapphire? Please send answer to my e
mail.

Geo Mich
Geo Mich
3 years ago

It is 3 yrs since Sea-Dweller 4000 was introduced and the production has stopped. Brilliant. The prices quickly will go up. It will be shortly one of the most desirable watches.

Alex Hoks
Alex Hoks
3 years ago

I gad my 126600 today, and I paid surcharge for it…. Unfortunately! But here is the good news, I am a tech-diver/trimix and I was born in 1967, (50 this year, like the sea dweller)… + I am a real ROLEX fan, always wore that brand, so I had to have this watch! I wear many other brands, but ROLEX is just ROLEX, nothing beats it….

Robert
Robert
3 years ago

I’d be happy to know the total lengths (lug-to-lug) comparison data!
Choices: for new model: upgraded movement, red script on dial.
For old model: no cyclops, better size (for me) at 40 mm.
Best,
Robert

Justin
Justin
3 years ago

Can anybody tell me that how the precise thickness of new sea-dweller 126600 is? I have known the thinkness of the old 116600 might be 14.8mm and wondering that new 126600 have the same thickness.

Justin
Justin
3 years ago

Can anybody tell me that what the precise thickness of new sea-dweller 126600 is? I have known the thinkness of the old 116600 might be 14.8mm and wondering that new 126600 have the same thickness.

Nicola
Nicola
2 years ago

My 126600 arrived Saturday… how do I post a wrist shot?

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