Oyster Perpetual - The Oyster Perpetual is considered to be the first water-resistant wristwatch and is a series patented by Rolex. "Oyster" indicates that the case is a waterproof case patented by Rolex. "Perpetual" denotes that a Rolex model features an automatic movement. All Rolex watches with these features have the inscription "Oyster Perpetual" on the dial.
Onion crown - An onion crown is a rather large and distinctive ribbed crown shape. It looks like an onion, which is the reason for its name. Onion crowns are often found on observation watches, because it was originally necessary to operate them while wearing gloves.
Omega - one of the best and well known high end watch brands. On July 20, 1969, Buzz Aldrin stepped onto the Moon wearing his Omega Speedmaster watch. The Omega wristwatch Ref. H6582/D96043 (1960) once owned by Elvis Presley was sold for an incredible amount of 1.812 million US dollars at auction. It's worn by several James Bond in numerous Bond movies. Omega has frequently been the official timekeeper for the Olympics, beginning with the 1932 Summer Olympics.
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Panerai - is an Italian luxury watch manufacturer, Officine Panerai to give them their full name -designs, manufactures and markets watches through authorised dealers and company-owned stores worldwide.
Paneristi -The fans of Panerai are called "Paneristi". The name originates from an early online forum in which watch enthusiasts exchanged opinions and arranged meetings. It can also be used to refer to watch enthusiasts in general.
Pepsi Bezel - This indicates a blue-red bezel - like the old Pepsi can. The colour scheme was originally made popular by the Rolex GMT Master models and is now widely used by other manufacturers due to its popularity.
Perpetual calendar - The complication of a wristwatch that can display the day, date, month and year without manual adjustment until at least the year 2100.
Platinum - Platinum is a shiny, grey-white metal that is one of the rarest and most expensive metals in the world. It was discovered by watchmakers as early as 1920, when Louis Cartier created numerous art deco masterpieces using it. It is durable, acid-resistant and does not oxidize. Its elasticity also makes it extremely durable and heat-resistant.
Pusher - A button on a chronograph watch that starts, stops and/or resets the chronograph mechanism. The majority of chronographs have two pushers — one for starting and stopping the mechanism, and another for resetting.