Bulova mark there dates using a date code system. This can be found on the back of the case and on the movement. No need to worry about long serial numbers on these! The code consists of one letter and one number, eg. They used the letter M to signify the decade 1960 to the end of 1969, and the letter N to indicate 1970 to the end of 1979. On the case back, their watch will have a serial number and a model number matching that on its paperwork. The watch model number is the one the is number on top, beginning with a letter. In some cases the watch model number can be standing alone, or right above the displayed movement on an exhibition case.
CartierIf you’re looking for the model number on your Cartier watch, you’ll find the 4 digit code on the case back and on the paperwork. This particular number serves as a unique identifier that will designate the specific type of model.
Others with the same number will have identical size and dimension, but they may differ in materials. When looking for the number on the paperwork, it will typically start with the letter “W” followed by the 4 digit number. Also, if you can’t find the number on the case, don’t worry: some earlier models or quartz models don’t have a model number on the case. Jaeger Le-CoultreJaeger Le-Coultre can be a little complicated, but your best bet with them is the “Q” number or case back number. Interestingly, there are three models that can identify one Jaeger LeCoultre watch. Some watches are referred to by all three, whereas some are more commonly identified by just one of these numbers. There more popular models are usually in the form XXX.X.XX or a similar format.
Jaeger Le-Coultre watches also have what is known as a “Q” model number. This “Q” model number (ex.
QXXXXXXX) and a case back number XXX.X.XX are searchable and should be found on the paperwork, tag, and caseback.
Historical information about a Longines watchLongines has meticulously recorded each of its watches' serial numbers since 1867. This means Longines is able to provide a service that is greatly appreciated amongst admirers of the brand the world over and is available only to watch owners who have had their timepiece for a certain amount of time.To receive the information kept in the Longines archives concerning your watch by email, we ask that you provide us with the serial number (numerical characters, from 5 to 8 digits) that is engraved either on the back of the watch, on the inside of the case back, or on the movement itself. In the last two cases, you will have to open the watch or have it opened by a watchmaker.High-quality photographs of your watch (dial, case back and, if possible, the inside of the case back and the movement) are essential.Two additional services are also offered by the brand:.
An 'Extract from the Archives', on official Longines paper in English, indicates the information kept in the Longines archives about each timepiece. Please provide us with the serial number of the watch, high-quality photographs and your full postal address. This document does by no means certify the authenticity of the watch or its components.
This service is free of charge. A 'Certificate of Authenticity', signed by our President, can be issued if the piece is authenticated by one of our watchmakers. To do so, you will need to send us the watch. This document, written in English, describes the state of the timepiece upon examination in St-Imier.This service in charged%PRICE% EUR. In addition, the shipping costs and import duties linked to the sending of a watch for authentication are payable by the client.Time frames:Information by email: 1 to 2 weeksExtract from the Archives: 2 to 3 weeks + shipping timeCertificate of Authenticity: 2 months + shipping timeIf you own a Longines watch and wish to request one of these services, please contact us using the form on the website and choose the following reason for contacting us: 'Historical information on a Longines watch'. Be sure to complete all the fields and indicate the nature of your request.Please note that Longines does not provide estimations of the current value of an antique watch. The value depends on fluctuations in the antiques market, the nature of supply and demand, the watch's state of preservation and operation, and many other criteria that require a specialist's opinion.