Steel basse, movement singapore. What type of battery is needed? Thank you. Hi lisamarie,. Thanks for your question and I apologize for not being able to reply sooner. Automatic watches are purely mechanical and are not electronic. As such, they are powered by a tiny main spring that drives the watch mechanism and do not require any battery whatsoever. Your Seiko watch is a U.
By the early s, the caliber was replaced by the with the same features and is still used in Seiko 5 automatics for ladies. Amazing you are, and I thank you! I know nothing about watches though, like what is a jewel? Is that possible? Does that tell you about what year mine was born? What is the best tool to open the back with? Any help that you can provide would be just awesome for me! Thank you sooooo much for this cool message board!
Dear Quartzimodo,. I has 1 Seiko 5 Sports, Could you please help me to know this watch is original one or replica. Thank you for your support in the future. Sawadee, Mongkol. This is a good question. Therefore your Seiko 5 Sports watch would be a genuine one. Cheers, Quartzimodo. I saw half circle inside it have 3 line. Thank you again. I bought both a ladies Seiko solar and a gents Seiko 5 glass back watch in Dubai last week.
The sales assistant wrote the serial numbers on the guarantee but did not say which is for which watch. These do not appear to be serial numbers!!! The number on the ladies watch appears to be 1N I cannot read the serial number on the gents watch as the bracelet blocks my view.
I am now home in Australia and cannot return to the shop in Dubai. Can you help me determine which guarantee is for which watch? Thankyou Valerie. It has a two toned metal band, a white face, a date square. I dont still have the warranty papers, but I do remember that it was water resistant to a deep depth, like ft or more.
I sent it to be repaired to CSA and they tell me it is not high grade water resistant, but I have always worn it in water and it never leaked. Is it worth the cost to repair? I found your site very informative.
Judy, about the Mickey Mouse ladies watch. Hi Rudi,. You also need to know the six digit serial number, with the first two digits identifying the production year and month respectively. The numbers on the back are.. Any help would be very much appreciated by this 75 yr old Gentleman.
Hi SteveD,. The A is a jeweled, self-winding movement that was first introduced in Your watch was made on February Seiko skzj1 No:s 1 and Date and value please. Unfortunately, the exact production date cannot be determined as Seiko does not print serial numbers for its limited edition watches. Quartzimodo's Time Journal. September 21, The first digit signifies the year the watch was made. This will present a problem because you may not be able to distinguish whether the watch was made in or The digits always range from 0 to 9.
The second digit denotes the production month. Seiko uses for January to September. October is represented by the number 0 zero, not the letter "O" while November and December are abbreviated to "N" and "D" respectively. The remaining 4 digits represent the production number of the watch in a sequence. It is generally believed that the first watch produced every month begins with "" and the last watch made in that month ends with "".
Going by this convention, up to 10, watches of a particular model could be manufactured in one month. The sequence number is reset for the following month. Therefore if Seiko made up to 4, pieces in February, the last watch produced will have the the sequence number For the following month of March, the first watch produced will have the sequence number instead of Technorati Tags: Seiko , production date , article , production year , serial number. Comments Dear Quartzimodo.
Comment by Roy on February 25, am. Comment by Quartzimodo Admin on February 29, am. Comment by Clemualb on February 26, am. Hi Clemualb, The serial number that you gave me is 7 digits long, instead of six. Comment by Quartzimodo Admin on March 1, am. Comment by Detlev Dehn on February 28, am. Comment by Quartzimodo Admin on March 4, pm. Comment by Clemualb on March 1, am. Hi Clemualb, The reason that I asked for the serial number verification is because a 7-digit serial number applies to vintage Seiko watches made between and Comment by Quartzimodo Admin on March 1, pm.
Comment by Tammy on March 3, am. Hi Tammy, Not much is known about the hand winding Cal 11A as to when it first appeared and when it was discontinued. Comment by Quartzimodo Admin on March 7, pm. Comment by Foxbat on March 7, pm. Comment by Quartzimodo Admin on March 8, pm. Comment by Foxbat on March 8, pm.
Hi Foxbat, I Googled for your Kinetic watch and found the reference number. Comment by Quartzimodo Admin on March 9, am. Hi again Three things: I looked at the SNKK I received allegedly from the US this week but the curiosity is it does have the suffix K and no origin printing on the face, even with a maginfying glass. Comment by Foxbat on March 9, am. Comment by Quartzimodo Admin on March 9, pm. Comment by Foxbat on March 11, am. Comment by Foxbat on March 19, am. Hi Michael, Congratulations on buying both wow!
Comment by Quartzimodo Admin on March 21, am. Comment by rick gaudry on March 21, am. Hi Quarzimodo Thank you for your encouragement and advice. Comment by Foxbat on March 21, pm. Comment by Bob Risacher on March 22, pm. Comment by pablo on April 3, am. Hi Pablo, Yes, your is from April Comment by Quartzimodo Admin on April 7, am.
Pingback by Dating vintage seiko5 on April 11, am. Comment by ganes on April 17, pm. Comment by Quartzimodo Admin on April 21, pm. Comment by Bob on May 4, pm. Hi Bob, Sure thing. Comment by Quartzimodo Admin on May 4, pm. Comment by Bob on May 5, am. Hi Bob, Your Seiko is an early model dating from April Comment by Quartzimodo Admin on May 8, pm.
Comment by Todd on May 6, am. Hi Todd, The movement and caseback number must be known before one can date a Seiko watch. Comment by Don on May 7, am. Comment by danny on May 9, pm. Hi Danny, What you have with you is a Seiko model SEJJ , which was fully made in Japan and was possibly made on March , at the time the moonphase quartz watch fad began.
Comment by Quartzimodo Admin on May 11, pm. Mate, Just picked up a Seiko 5 with Thai numbers today. Comment by Nongbrown on May 10, pm.
Hi Nongbrown, Your special Thai numeral, Seiko 5 would be more likely from September and not , because the caliber was discontinued by and was replaced by the current 7s26 caliber. Comment by Quartzimodo Admin on May 11, am. Comment by Paul on May 11, am. Comment by Nongbrown on May 12, am. Hi Quartziguru I have recently finally got back my treasured Seiko or — my first question after five months being repaired the crystal was the issue, I was told.
Two things: The model number on the rear says , but on the face the number is Comment by Foxbat on May 17, pm. Comment by rick perkinson on May 22, am. Comment by Dave on May 30, am. If your last for digits are then you have the first watch made for that model reference number. If you were paying close attention you may have noticed we asked for the case code in the form above but we did not mention using it when calculating the date. You can leave that field blank and still find the date for your watch however if you complete the field we will provide a listing of watches from our 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 which is linked to in the Quartzimodo article no longer seems to be available, so we built our own. It does not seem to be as well known and we hope that our movement database is more complete and that our instructions are more helpful.
As with any part of WatchSleuth we encourage people to contact us with suggestions, corrections or any other information that would make our site more useful. Seiko Production Date Calculator. Example 1 Mvmt-Case Serial. Latest Updates. For information about how this actually decodes and how to decode a Seiko serial yourself click here also has a video showing how to find your serial number and movement.
To get the best chance of getting only one date returned it is best to enter your Seiko movement in the 2nd box. The boxes are not case sensitive. The movement can contain the letter S, which can look very similar to a 5. Please note, the new Seiko 5 sports cannot be dated by serial number.
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