ROLEX - Three dots of the same size on a Rolex screw-down winding crown identifies it as a Triplock in steel, equipped with a triple waterproofness system. www.instagram.com/rolex #Rolex #ThroughTheLoupe | Facebook
Twinlock vs. Triplock: What's the Difference?
Let's Talk Crowns - Everest Horology Products
Rolex Winding Crown Markings: Crown symbols & What They Mean - Millenary Watches
Sakasci Diamonds - ROLEX: Twinlock VS. Triplock Crown Twinlock: Water resistant to 330 feet with 2 rubber gaskets that keep dirt, dust and water out of the movement.The Twinlock crown is indicated
Rolex Winding Crown Markings: Crown symbols & What They Mean - Millenary Watches
Rolex Winding Crown Markings: Crown symbols & What They Mean - Millenary Watches
What is The Difference in Twinlock vs Triplock? | Rubber B
Rolex - Rolex 5512 gilt 4 line. Over 50 years old ready to scuba dive