Messina Jewelers Blog


Entries for April, 2010

Watch movement jewels

Sometimes you see that a mechanical watch has 17 Jewels, or 13 Jewels, but what does that mean? They are called Jewel Bearings and are placed at the center of a rotating gear wheel. The jewels are  synthetic Rubies and their purpose is to minimize friction between hardened steel parts, increase accuracy, lower the weight […]

Black Coating Watches, PVD or DLC

Right now there is a high demand for watches that are Black coated. Some watches come all factory black coated but other watches from brands such as Rolex and Audemars Piguet are customized a lot to black. The question is which one is better PVD or DLC? PVD is the method of coating whereas DLC […]

Oris ProDiver Chronograph

The year 2009 was a great one for Oris considering the introduction of their new Divers’ watch, the “ProDiver Chronograph”. Once again Oris proves that it is possible to offer watches of the highest quality, excellent price, and innovation. The Prodiver is a gigantic 51mm in diameter and 19mm height watch with a titanium case […]


Chronometer term is used to denote a very precise watch. These watches usually have a deviation of less than 5 seconds per day. Only watches that pass the Official Swiss Testing Office for Chronometers (COSC) test standards may use the chronometer word. The test consists of having the watch in observation for a few days […]