What is The Difference in Rolex Twinlock vs Triplock?
Rolex - 5513 Crowns - AKA Triplock Crowns
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