Black Ceramic Bezel Insert for Rolex Submariner & GMT Master
New High Quality Black Ceramic Bezel Insert Made for Rolex GMT Master & Submariner. - Black with White Numbers . - Material: Ceramic . - Size Outside diameter: 37.9 mm / Inside diameter: 30.7 mm. This New replacement Bezel Ring Insert is designed for the Rolex Submariner ranges. It measures 37.9mm in diameter and is an exact fit for the above models. The Ring is an aftermarket version of the original Rolex part.