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OMEGA constellation deville seamaster speedmaster specialities

Frequently asked questions


Find information about the brand and our product

  • All watches purchased from OMEGA authorised retailers are authentic. They are supplied with a warranty card, which includes the 8-digit numeric or 7-digit alphanumeric serial number, the watch reference, the date of purchase and the full name and address of the retailer.
    An authentic OMEGA watch has its own serial number. For pieces of the current collection, your nearest OMEGA Boutique or authorised service centre will be able to tell you whether your model matches the serial number on the watch. Although this does not guarantee the authenticity of the watch, it is an important indication. In fact, OMEGA calibres cannot be reproduced. Some components such as the Co-Axial escapement wheel are exclusive to the brand. If the timepiece is equipped with a different movement, it will prove that it is not an authentic OMEGA watch.

    Moreover, if the watch is Master Chronometer certified, it will not be affected by magnetic fields. By placing a magnet near the watch, it is easy to detect whether it is authentic or not. A Master Chronometer watch will continue to function normally while a counterfeit will stop functioning.

  • In our dedicated vintage watches section, you will find certain models which are part of OMEGA’S history.

  • The value of a pre-owned OMEGA watch may vary depending on its functional and aesthetic condition and the supply and demand for similar watches on the market. Prices also depend on factors specific to each country.

    Watch assessment is a specialized field of expertise in which we are not active and therefore we cannot provide any information on this subject.

    We recommend that you have your timepiece examined by an auction house or antique dealer of your choice.

    Below is a non-exhaustive list of some major auction houses:

  • This information can be found on the warranty card that is given to you at the time of purchase. The serial number is also engraved on the back of our current watches, or on one of the lugs. For vintage watches, this information is usually engraved on the inside of the caseback and on the movement. OMEGA authorised service centres are available to assist you in retrieving this information.

  • Click here to enter the fascinating world of the brand and discover the key episodes in its history since 1848. From the Moon to the Olympic Games, OMEGA has left its mark on all the major events!

    A visit to our museum is also a must for anyone who wants to learn more about OMEGA's past, present and future. Located at the brand's headquarters, this institution takes you through the captivating history of our House through atmospheric videos, exciting exhibitions and interactive experiences.

  • All the watches worn on the Moon were part of the Speedmaster collection and were equipped with the legendary calibre 321.

    During the Apollo 11, 12, 14, 15, 16 and 17 lunar missions, the astronauts wore Speedmaster model references ST 105.012 and ST 145.012.

    Captain Eugene "Gene" Cernan also wore a Speedmaster ST 105.003 during the Apollo 17 mission.

    The Speedmaster is still part of our current collection and has since become an icon in the watchmaking world.

  • At OMEGA we use a unique number to identify each watch, called a Long Product Identification Code, or PIC, which consists of fourteen numbers.

    For example, the De Ville Ladymatic OMEGA CO-AXIAL 34 MM has the following PIC or Long Product Identification code: 425(A).65(B).34(C).20(D).63(E).001(F).

    Each of these numbered codes is divided into six lettered groups, A through to F, which refer to the specific details of the timepiece.

    For instance, the fourteen numbers of the watch we've just mentioned breaks down as follows.

    The first three numbers of the code (Group A) refer to the OMEGA line or family of watches. (425= De Ville Ladymatic)

    The next two numbers of the code (Group B) refer to the material of the watch head and bracelet or strap. (65 = gold + other material paved for the watch head and assorted metal for the bracelet)

    The following two numbers (Group C) reference the diameter and size of the watch. (34 = 34mm)

    The eighth and ninth number of the code (Group D) reference the movement and complication, or the calibre that powers the watch. (20 = Mechanical with Co-Axial)

    The following two numbers (Group E) reference the color and the material of the dial. (63 = brown + precious stones)

    The final three numbers of the fourteen-number code (Group F) refer to the specific sequence number of the watch. (001= first in the sequence).


      130=Constellation Globemaster; 212=Seamaster Diver 300M; 215= Seamaster Planet Ocean 600M; 220=Seamaster Aqua Terra; 233= Seamaster 300; 304=Speedmaster Moonwatch Moonphase; 311= Speedmaster Moonwatch Co-Axial; 329=Speedmaster Racing; 424=De Ville Prestige; 425=De Ville Ladymatic; 428=De Ville Trésor Quartz; 522=Olympic Games Collection; etc. +22
    • AAA.BB.CC.DD.EE.FFF (Watch/Bracelet)
      10=stainless steel assorted metal; 11=stainless steel other metal; 12=stainless steel non metal no CITES; 13=stainless steel non metal CITES; 15=stainless steel paved assorted metal; 16=stainless steel paved other metal; 17=stainless steel paved non metal no CITES; 18=stainless steel paved non metal CITES; 20=stainless steel+gold assorted metal; 21=stainless steel+gold other metal; 22=stainless steel+gold non metal no CITES; 23=stainless steel+gold non metal CITES; 25=stainless steel+gold paved assorted metal; 26=stainless steel+gold paved other metal; 27=stainless steel+gold paved non metal no CITES; 28=stainless steel+gold paved non metal CITES; 30=stainless steel+other material assorted metal; 31=stainless steel+other material other metal; 32=stainless steel+other material non metal no CITES; 33=stainless steel+other material non metal CITES; 35=stainless steel+other material paved assorted metal; 36=stainless steel+other material paved other metal; 37=stainless steel+other material paved non metal no CITES; 38=stainless steel+other material paved non metal CITES; 50=gold assorted metal; 51=gold other metal; 52=gold non metal no CITES; 53=gold non metal CITES; 55=gold paved assorted metal; 56=gold paved other metal; 57=gold paved non metal no CITES; 58=gold paved non metal CITES; 60=gold+other material assorted metal; 61=gold+other material other metal; 62=gold+other material non metal no CITES; 63=gold+other material non metal CITES; 65=gold+other material paved assorted metal; 66=gold+other material paved other metal; 67=gold+other material paved non metal no CITES; 68=gold+other material paved non metal CITES; 90=other material assorted metal; 91=other material other metal; 92=other material non metal no CITES; 93=other material non metal CITES; 95=other material paved métal; 96=other material paved other metal; 97=other material paved non metal no CITES; 98=other material paved non metal CITES
      Size of watch-head, rounded to 2 digits per rules of mathematics.
      1st “D”=Type of movement: 0=Mechanical; 1=Mec. Chronometer; 2=Mec. with Co-Axial; 3=Mec. Chronograph; 4=Mec. Chrono Chronometer; 5=Mec. Chrono with Co-Axial; 6=Quartz; 7=Quartz Chronograph
      2nd “D”=Number of complications*: 0=0 complication; 1=1 complication; until 9
      *=Considered as a complication if the watch provides more analog indications than jus hour, minute, second and date in one disc.
      Since the chronograph function is already described in the first digit, it is not considered a complication here.
      Tourbillon and time-zone are considered as complications.
      01=black; 02=silver; 03=blue; 04=white; 05=white MOP; 06=grey; 07=colour MOP; 08=champagne; 09=ivory; 10=other colours; 11=red; 12=yellow; 13=brown; 51=black + precious stones; 52=silver + precious stones; 53=blue + precious stones; 54=white + precious stones; 55=white MOP + precious stones; 56=grey + precious stones; 57=colour MOP + precious stones; 58=champagne + precious stones; 59=ivory + precious stones; 60=other colours + precious stones; 61=red + precious stones; 62=yellow + precious stones; 63=brown + precious stones; 64=sapphire; 99=others (fully paved / platinum / paladium/ special materials)
      Sequence number of the model

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