For GMT Master II watches, all Rolex watches are waterproof up to 10ATM the equivalent of 100 meters (300ft). Only the Rolex Cellini watches are waterproof up to 50 metres. Wearing your Rolex GMT Master II into the water is alright, whether you are in the ocean, a chlorinated swimming pool or hot tub. The topic is indirectly and directly related to the previous one: can I wear gold Rolex in saltwater?
Your Rolex GMT Master II can withstand anything you can handle yourself. In order to remove all salt and sand deposits from your timepiece after wearing it in salted water, you should rinse it with fresh water.
If you plan to swim with a Rolex GMT Master II, you should know that it is waterproof up to 100 meters. Swimming with a Rolex GMT Master II as long as it is used properly is safe. The Rolex GMT Master II boasts a water resistance of 300ft or 100 meters in the pool and ocean. Visit top 10 expensive Rolex Hulk watches dedicated article for more details.
Rolex timepieces use a water-resistance case called the Oyster. In addition to its 300ft or 100 meters of water resistance, the Rolex patented case can be used for swimming or bathing in the water, but diving with it is not recommended. You may also be interested in reading about the following issue: is Rolex Daytona truly worth it?
You shouldn't wear a vintage Rolex GMT Master II while swimming. The water-resistant feature should be maintained, the gaskets should be replaced, and the water pressure should be checked. For this reason, a vintage Rolex GMT Master II should be kept away from water.
Its water-resistance properties allow it to be worn in a swimming pool or even in the sea. There is a threaded watch case for the Rolex GMT Master II Oyster. The crown and casing are fastened together and sealed with gaskets in the same way that submarine doors are. This Rolex innovation improves the timekeeper's waterproofness and outperforms water-resistant wrist watches that rely solely on screws to keep the timepiece sealed.
When swimming wearing a Rolex GMT Master II on a regular basis, the timekeeper will require special attention. You should be aware that you create an opening in the Rolex GMT Master II when you unscrew and remove the crown. Dust particles and moisture may find their way into the Rolex GMT Master II 's inside. In environments with excessive humidity or dust, such as the beach, hot tub, or indoor pool, the crown of a Rolex GMT Master II should not be opened. See the dedicated article for more information about Rolex watch maintenance schedule.
Don't touch the crown or the bezel if you're submerged. Risk of water damage is increased when the Rolex GMT Master II crown rotates, which reduces its water resistance.
You should avoid high impact with the water when swimming wearing a Rolex GMT Master II. A board or cliff dive generates significant water pressure, which is more than the watch's water resistance of 100m(300ft). The impact can also displace a gasket if you are unlucky during your dive.
To remove salt and dust deposits from your Rolex GMT Master II, rinse it with fresh water after swimming. Dry with a gentle cloth after that. Swimmers need to pay attention to various aspects of their Rolex GMT Master II wristwatches, such as the time accuracy, the power reserve, and condensation under the crystal. It is advisable to have the Rolex GMT Master II checked by a Rolex-certified watchmaker at the first sign of trouble.