SeikoSerialNumbersWatch. Sleuth Seiko Date FinderWhen was my Seiko made We hear that a lot here at Watch. Sleuth so we built this page to help you figure it out. The page includes a calculator along with instructions and example images to help you find the. The calculator uses these codes to do its magic. Max Payne 3 Game Compressed File Free Download more. Seiko Production Date Calculator. Your results will be shown here. If you dont know how to find these numbers on your watch please read our instructions below. The Hamilton Watch Company is a brand of the Swatch Group, a Swiss watch company based in Bienne, Switzerland. The Hamilton Watch Company had its genesis as an. The Typewriter Database is the largest collection of typewriter serial number information and typewriter photo galleries in the world. Find out when your typewriter. So, youve just purchased a used or new Seiko watch. Congratulations Have you ever wondered when your watch rolled off the assembly line at the factory Shop for Automatic Black Dial Black Rubber Mens Watch by Seiko at JOMASHOP for only 239. WARRANTY or GUARANTEE available with every item. We are the internets. Royal Typewriter Brand Notes. Royal typewriter serial number age list, Royal typewriter model list Royal information. Royal Typewriter Serial Numbers. You can also view the entire datefinder database. We encourage people to send us additions and corrections. Finding the Model and Serial Number. Most Seikos have a retail model number that is displayed in the store but not written anywhere on the watch. They also have a reference model number that is written on the case back. This reference model number is a combination of two numbers. Each of these two numbers are four digits long and they are separated by a hyphen. In the example images the reference model number is highlighted in red. The other number you will need is the serial number. This is also on the case back and is six digits long. In the example images the serial number is highlighted in blue. Every watch has a unique combination of reference model number plus serial number. How is the Date Calculated. The first digit of the serial number tells you the last digit of the year the watch was made. Shop for Solar Black Dial Beige Nylon Mens Watch by Seiko at JOMASHOP for only 98. WARRANTY or GUARANTEE available with every item. We are the internets leading. V4.JPG' alt='Seiko Serial Numbers' title='Seiko Serial Numbers' />Looking at the example images. You may notice this does not tell us which decade. That is why we also ask for the model number. For many of Seikos movements we know the first year they were produced. This helps us narrow down the decade. Using this additional information we can update our three examples. S3. 6 was first made in 1. The second digit of the serial number is also useful. It tells you the month the watch was manufactured. Here are the possible values. January. 2 February. March. 4 April. May. June. 7 July. August. September. October. N November. D December. The remaining four digits of the serial number indicate the production number for the watch. If your last for digits are 0. Returning to our examples and using the second digit from the serial number we get the following production dates. The 6. 11. 9 8. 08. June of 1. 97. 01. The 6. 30. 9 5. 76. A 2. D5. 82. 2 was made in December of 1. The 7. S3. 6 0. 3J0 4. January of 2. 01. I know example 3 was not made in 2. I bought it new in 2. Why Do We Ask for the Case Code. If you were paying close attention you may have noticed we asked for the case code in the form above. You can leave that field blank and still find. Seiko catalogs. that match the movement and case code. What you see here is in large part thanks to this excellent Quartzimodo article. How to tell when you Seiko watch was made. Unfortunately the Jayhawk Production Date Calculator by John Gauch. Quartzimodo article no longer seems to be available, so we built our own. Another useful resource we found during our research was. The Seiko Manufacture Date Decoder on the Retro Seiko website. It does not seem to be as well known and we hope that our movement database is more complete. As with any part of Watch. Sleuth we encourage people to contact us with.