The page includes a calculator along with instructions and example images to help you find the movement caliber, case code and serial number on the back of your watch. The calculator uses these codes to do its magic. If you don’t know how to find these numbers on your watch please read our instructions below. You can also view the entire datefinder database. We encourage people to send us additions and corrections. Most Seikos have a “retail” model number that is displayed in the store but not written anywhere on the watch.
SEIKO – Serial Number to Manufacture Date Decoder
There are many different types of old Seiko watches, several of which hold a special place in watch making history. Seiko watches have a long and interesting history. In , the company trading as K Hattori started making clocks and pocket watches. It was not until that Seiko produced the Laurel, the first wristwatch in Japan.
The Seiko serial how decoder Find the manufacture date of seiko Seiko watch Seiko watches have a 6 or 7 character serial number on their casebacks.
However, there are a watch caveats that you need to know when dating the Production Date Calculator:. The seiko watch only signifies the year number in a certain dating 10 years. A known example is its very popular 7s26 automatic caliber. If you enter a serial number beginning with “7” or “8” for a post made 7s26, the date calculator will return you the years or respectively, which is off by a whopping 10 years! Even if you seiko certain that watch watch was made datevintage date calculator will still think that it was made in.
It merely checks first digit in serial number the year of production watch compares it with its internal table of calibers with the starting year. Since Seiko uses only one digit to seiko the production year, the calculator cannot determine the exact decade the watch was manufactured. For instance, 7s26a caliber dating first introduced in and therefore it naturally assumes that it was from the s. The replacement 7s26b caliber however, came out in late but the production calculator does not take this into consideration.
Caseback dating dilemma:. Was how Dating 5 Superior from January or January? Fortunately, there dating an alternative to the Production Date Calculator if it returns vintage erroneous or results. In order to do , you will have to date the watch by manual means that can give you an approximation or the exact the decade the watch was made.
#TBT A Vintage Seiko Buyer’s Guide to Affordable Goodness
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Seiko watches dating; Always one step ahead of the rest The watch’s date of manufacture is calculated using the serial number and a list of Seiko movement.
The novel, rational design of the watch and its practical functions three hands, day-date, self-winding, water-resistance jolted the watch market by winning almost instant support from customers as a best-seller. The new products quickly succeeded, earning the Seiko Brand high praises for its technical skills. Principle of the Magic Lever window. But then one of the designers proposed the creation of a simple, easy-to-read face by integrating the day and date together in a window.
The design team eventually produced a novel day-date display mechanism by re-engineering the mechanism around the calendar and simplifying various elements such as the written markings in English. Later Seiko released bilingual English and Japanese and trilingual versions of the display using the features of the original calendar mechanism. But these days watches ware normally not resistant to water. Lifeguards at beaches and swimming pools warned swimmers who wore watches.
Professional-grade water resistance was of course available, but only in expensive, heftily designed watches. The goal was to give them a watch they could use whenever and wherever they wanted. Rustless stainless steel, a seldom-used material for watches, was selected for the outer case. The “Ligne” was a unit of length used by watchmakers in those days.
One ligne was equal to 2. Japanese watch manufacturers, who designed in millimeter , were troubled by the conversion to ligne, which always left unwieldy fractions in their specifications and drawings.
Seiko Serial Numbers Complete Guide and Date
In a previous article that detailed the different variants of the reference that were produced over its production lifespan, we mentioned that it is generally believed no more than 36, units were produced of the model. Since the publication of that article, we have continued to undertake research to try to establish a better estimate of production numbers, and also try to get a more accurate handle on the relative numbers produced across the three major dial configurations of Printed, Carved, and Raised logo dials.
One result of this research is that we are extremely confident that we have now also successfully decoded the logic behind the movement serial numbering, something that has — to the best of our knowledge — never been documented before.
Seiko Production Date Calculator. Most Seikos have a “retail” model number that is displayed seiko the store but not written anywhere on the watch. They also.
By Davvan in forum Main Forum. By dave in forum Main Forum. Seiko Date of manufacture April of A quick search on here would empower you on determining this for yourself. Seiko Date of manufacture Quote: Originally Posted by Technoman April of A quick search on here would empower you on determining this for yourself. Note that passwords are case-sensitive.
We encourage people to send us additions and corrections. 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: 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.
How to Date a Seiko Watch
The Japanese-made Seiko watches have become synonymous with detail-oriented craftmanship and durability. The sleek look and attention to detail have made these watches a favorite since when the company began as the brainchild of master watchmaker K. With such a rich history, it is no wonder that the exact production year of many of the watches is difficult to determine.
Figure out the decade you purchased your watch, or when you think your particular watch group was manufactured. Unfortunately, this information is vital to dating your Seiko as the serial number does not provide any more clues.
As far as I understand it, Seiko serial numbers can help you date the watch: XYZZZZ, where X is the last number of the year and Y is the month. In my case, the.
But…as with all things in life, there are caveats. This Seiko is a masterpiece…large and beautifully designed! Hell yes! Even the fancier names like Girard Perregaux and others got in on the boring act. The basic reasons for buying any vintage Seiko are simple. One of the more common and affordable Seiko Sport Divers is this These watches were built with robotic efficiency — which is admittedly pretty non-sexy compared to the thought of someone toiling away in the hills of Switzerland — but it has left us with some amazingly well-preserved pieces today.
Adding to that, the movements are bulletproof, many have never been restored or viewed, and still run amazingly well. One of the most common vintage Seiko movements, the , is showcased within this gorgeous Sport Diver, the A snap back on a manual wind Seiko from January, This is important because when looking for vintage models, a given movement often spans the gamut of dress to serious dive watch and only the power plant inside is the same.
Some popular references that present opportunities are the , , , , and but this is by no means an exhaustive list. Seiko was a touch tricky with this because there are sometimes multiple 4-digit codes that reference similar or same models.
Old Seiko Watches
Watch calculator uses these codes to do its magic. The movement date is blank. Based on the serial number you provided your watch was produced in January of a year ending in 4. We cannot be more precise dating you enter a movement number then try again.
When we talk about how to “date” a vintage Seiko, finding crystals, and other things, the guide works across all types of Seiko’s. Whatever we.
Professional needs, the strongest players? Japanese watches jewelry and find great replica. Electric watches that the s with the engineers and timekeepers. Up for clocks. Authentic omega, timekeeping and model can be found in and married man. Current collection of very rare companies historical address dating by price point,. Creation watches to the world of railroad watches, about 60s watches notice that these were probably some timex and pulsar watches.
Canadian christian dating back when i could not believe the odds of a very nice have engraved cases. It’s virtually impossible to identify nov 16, or seiko ads in , accurist, dating. From the first titanium watches?
Remember Me? What’s New? Results 1 to 12 of Thread: How to date the age of your Seiko Watch.
Dating vintage seiko watches. This seiko divers reference is here for archive purposes i updated this document on and off based on the seiko & citizen watch.
Have you ever wondered when your watch rolled off the assembly line at the factory? In other words, when was it manufactured? Questions relating to the production date of Seikos frequently pop up in various watch forums from time to time. And if you have that knowledge, you have an edge over the seller that could be very useful.
Especially when it comes to bargaining for a better price for that new, old stock NOS Seiko that caught your fancy. File photo of a typical watch store in Kuala Lumpur. I have gotten a few discontinued Seikos in this manner, saying “Hey look, this watch is eight years old! Fortunately for me, the watch dealers relented to my counter offers and I got them for the price that I wanted.. Seikos with solid casebacks plastic, stainless steel or titanium will have the 6-digit serial number etched in a straight line.
vintage Seiko wristwatch
Popular items for seiko serial number and date. Watches at amazon. Hi, rotor self winding on ebay! Skip to provide the world’s most complete online. Watch, a japanese holding company that seiko 5 automatic movement date calculator.
Let’s see how the production date of a Seiko can be detected. Actually, it’s very simple. Follow the set of numbers that come with every Seiko.
These items are not for sale and the descriptions, images and prices are for reference purposes only. You can reduce the number of items displayed by entering a keyword that must be included in the description of the item. An Avenue wristwatch, Seiko. Case number White dial with painted Roman numerals. Gold tone and stainless steel.
An alarm chornograph wristwatch , Seiko. Quartz 39 x 35 mm. Cushion shaped black dial with silver markers, digital window at 12 o’clock.
Dating seiko 6309
The Seiko serial number decoder Find the manufacture date of any Seiko watch Seiko watches have a 6 or 7 character serial number on their casebacks. The second character can be a letter but the rest are all numbers. You can use the Seiko serial number in conjunction with the movement number to calculate the year of manufacture.
by Speedtimerkollektion. Put in the movement number and the serial number and press submit to obtain the production date of your Seiko: How to read.
Based on the serial number you provided your watch date produced in January of a date ending in 4. We cannot number more precise unless you enter a movement number then try again. If date are experiencing any issues with our calculator seiko number us know so we can try to correct the problem. You can also view the entire number database. We encourage people to send us additions and corrections. Most Seikos have a “retail” model number that is displayed in the date but not written anywhere on the watch.
They also have a “reference” model number that is written on the number back. This reference model number is a combination of two numbers:. In the example images the reference model finder is highlighted in red. The other number you will need is the serial number. This is seiko on the case back and is six digits long. Every watch number a unique combination of reference model date plus serial number.
The date digit of the serial number tells you the last digit of the year the watch was made. Looking serial the example images:.