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Dating Vintage Watches

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to see if it is gold, look for marks either saying 375 or 9ct for nine carat gold, or .750 for 18ct. If the case back is gold then the watch probably is, if it is stainless steel it is likely to be gold plated

Oh, thanks for answer.

I couldn't found marks, just a inscription saying "antimagnetic" in their display.

Is there some place which I can found information about White Star watches?

have you tried searching The Watch Forum?

http://www.thewatchforum.co.uk/index.php?showtopic=75926&hl=%2Bwhite+%2Bstar&fromsearch=1

:rltb:

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to see if it is gold, look for marks either saying 375 or 9ct for nine carat gold, or .750 for 18ct. If the case back is gold then the watch probably is, if it is stainless steel it is likely to be gold plated

Oh, thanks for answer.

I couldn't found marks, just a inscription saying "antimagnetic" in their display.

Is there some place which I can found information about White Star watches?

have you tried searching The Watch Forum?

http://www.thewatchforum.co.uk/index.php?showtopic=75926&hl=%2Bwhite+%2Bstar&fromsearch=1

:rltb:

I thank you. This trace wasn't useful unfortunately, because I found them before :-(

I feel really sad. This watch can be 100 years old, can be gold and I have none information about!

I did like our friend, yesterday I wrote to website in discuss, but the same as him, I got no answer.

But anyway, I thank you very much.

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I have an Arcadia, 18k gold ladies' watch. The case no. is 48830 and the movement no. is 651. Can anyone help me with the probable date of manufacture of this watch?

I have an Omega also, 18k gold, pocket watch. The case no. is 5186431, I don't know the movement no. as I have not had the back cover opened yet. Can anyone guide me on the probable date of manufacture of this too?

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I have an Arcadia, 18k gold ladies' watch. The case no. is 48830 and the movement no. is 651. Can anyone help me with the probable date of manufacture of this watch?

I have an Omega also, 18k gold, pocket watch. The case no. is 5186431, I don't know the movement no. as I have not had the back cover opened yet. Can anyone guide me on the probable date of manufacture of this too?

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I've finally discovered how to date some Glashutte watches!

The Cal 74 and cal 75 (automatic 26 jewels) were made from 1965 up to 1980 and feature in a range of models from Glashutte. They made millions of them!

Each movement has three digits, the first two of which are the year and the last one is the quarter. So if the movement is stamped 763 it is from the third quarter of 1976.

Hope this helps someone else.

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I've finally discovered how to date some Glashutte watches!

The Cal 74 and cal 75 (automatic 26 jewels) were made from 1965 up to 1980 and feature in a range of models from Glashutte. They made millions of them!

Each movement has three digits, the first two of which are the year and the last one is the quarter. So if the movement is stamped 763 it is from the third quarter of 1976.

Hope this helps someone else.

Great help!

Cheers Martin :)

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Rolex

 

Rolexs are dated by a serial number which is found between the lugs, at the bottom of the case (6 o-clock). The serial number denotes the actual manufacture date. Date of market introduction may vary, expect to add 6 to 18 months.

 

Here's a list of their oyster model serial numbers and corresponding years.

 

Rolexproductioncalendar.png

 

Please don't get all technical on me as I know diddly squat about Rolex :blink:

 

Cheers,

 

Gary

there is some confusion on Rolex numbers.  A number of websites including these http://qualitytyme.net/pages/numbers.html and https://www.minus4plus6.com/numbers.htm#model  show that Rolex restarted the numbering system in the 1950's  I have this watch that I thought was later but the numbers said it was 1951.  Further research show that serial number 74**** could be 1951 or 1961 - and 1961 fits better in terms of the styling to me.  And double checking Ranfft the 1215 movement fitted didn't start production until 1954.  So I have been a decade out! :nono:

DSC_1182_zps01653f56.jpg

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On 15 February 2011 at 20:19, Mechanical Alarm said:

Does anybody have a system for dating Lecoultre's??

 

I have heard you can write them directly and they are quite helpful but it is a watch I am looking to buy and I can't obtain any pix for it, etc. Just a serial # and case #.

 

Thanx!

Hi

 

I'm also trying to date a JLC - a Memovox  . I'm guessing 1960-65 but would like to know exactly. I believe you can contact JLC direct but there is a charge!

 

Mark

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13 hours ago, Markl said:

Hi

 

I'm also trying to date a JLC - a Memovox  . I'm guessing 1960-65 but would like to know exactly. I believe you can contact JLC direct but there is a charge!

 

Mark

So, someone must be privy to this data?!

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7 minutes ago, Mechanical Alarm said:

So, someone must be privy to this data?!

Oh they do.  Omega used to publish all the dates, allowing free access on the website.  Now it is 120CHF (unless you read this thread!).  Same charge with Girard Perregaux.  It's a shame, as I would be buying more JLC/GP watches if I knew how to date them.

robbing barstewards don't make my job any easier!

@Markl post a pic of the watch, and hopefully the movement too, and I might be able to narrow it down

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On 21 April 2016 at 19:53, Markl said:

Hi

 

I'm also trying to date a JLC - a Memovox  . I'm guessing 1960-65 but would like to know exactly. I believe you can contact JLC direct but there is a charge!

 

Mark

a>image_zpse2aj8vhy.jpeg

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Sorry I can't help on the JLC, but a very nice watch

I've found something for Eterna - notice the error factor is far higher than most years production at +/- 200,000

 

+ -   200 000
Bei den gelben Seriennummern handelt es sich um Seriennummern von Uhren die mit Widmung und Jahreszahl versehen sind.
          
          

                                 1894       630 000           626 752  IXL
          1900   1 045 000          
1901   1 090 000
1902   1 135 000
1903   1 180 000
1904   1 225 000
1905   1 270 000
1906   1 315 000
1907   1 360 000
1908   1 405 000
1909   1 450 000
                             1910   1 500 000          1 556 288 
1911   1 550 000
1912   1 600 000
                            1913   1 650 000          1 663 980
1914   1 700 000
                            1915   1 750 000          1 914 868
1916   1 800 000
1917   1 850 000
1918   1 890 000
1919   1 930 000
1920   1 970 000
1921   2 010 000
1922   2 050 000
1923   2 090 000
1924   2 130 000
1925   2 170 000
1926   2 210 000
1927   2 250 000
1928   2 290 000
1929   2 330 000
1930   2 370 000
1931   2 410 000
1932   2 450 000
                            1933   2 500 000          2 451 950
1934   2 550 000
1935   2 600 000
1936   2 650 000
                            1937   2 700 000          2 740 007
1938   2 750 000
1939   2 800 000
1940   2 850 000
1941   2 900 000
1942   2 950 000
1943   3 000 000
1944   3 050 000
1945   3 100 000
1946   3 170 000
1947   3 240 000
1948   3 310 000
1949   3 380 000
1950   3 450 000
1951   3 520 000
1952   3 600 000
1953   3 700 000
1954   3 800 000
1955   3 900 000
1956   4 000 000
                             1957   4 100 000           4 059 XXX
1958   4 200 000
1959   4 300 000
1960   4 400 000
1961   4 500 000
1962   4 650 000
1963   4 800 000
1964   4 950 000
1965   5 100 000
1966   5 250 000
1967   5 400 000
1968   5 550 000
1969   5 700 000
1970   5 850 000
                                          1971   6 000 000           5 909 304             
1972   6 100 000
1973   6 200 000
1974   6 300 000
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On 26/10/2013 at 00:06, Suhanko said:

 

I thank you. This trace wasn't useful unfortunately, because I found them before :-(

I feel really sad. This watch can be 100 years old, can be gold and I have none information about!

I did like our friend, yesterday I wrote to website in discuss, but the same as him, I got no answer.

But anyway, I thank you very much.

 

 

Mikrolisk is great for finding watch names you may not have heard of.

http://www.mikrolisk.de/

 

Regarding the "White Star" watch you showed, here is the info from Mikrolisk:

 

http://www.mikrolisk.de/show.php?site=280&suchwort=white star&searchMode=exact&searchWhere=trademark#sucheMarker

 

It was made by Weiss and co./ Henri Weiss.

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On 6/17/2013 at 15:10, aroma said:

Dating of the ‘English-made’ Smiths watches

 

Unfortunately there is no published ‘system’ for dating Smiths watches but if the case is solid gold then it’s probably best to use the hallmark date letter – this holds true throughout the production period 1947 to 1970. Beware that many Smiths watches have been re-cased and sometimes movements have been repaired with cannibalized parts so it is all a bit of a minefield. However, the following observations should help in ascertaining the date of production:-

 

  • Production started in 1947 and the early ones had just ‘Smiths’ on the dial. The movements were nickel not gilt, were sub-second and were marked with an engraved serial number which initially had NO PREFIX LETTER
  • 1948 saw the introduction of the prefix letter to the serial number – starting with A but within the year a ‘B’ and finally a ‘C’ was used.
  • 1952 – DeLuxe appears on the dial – movement serials still have ‘C’ prefix which continues sequentially until 1959. There is quite a ‘spread’ in the serial numbers c.f. dates suggesting that some movements and/or cases were stored for a significant time before use.
  • 1953 – the 17J centre second movement arrives – usually the movement serial is prefixed with a JC but the serial number is in the same sequence as the sub second range
  • 1958 – Shockproofing is introduced to the DeLuxe range but initially the dials do not state this. The top-of-the-range 18J was Shockproofed in 1955 as was the cheap ‘pin-pallet’ range.
  • 1958 – the 19J Imperial calibre 0104 is introduced – no serial numbers are ever used on the Imperials – just the calibre and batch number – sometimes. Imperials are always shockproof.
  • 1959 – DeLuxe dials now marked ‘SHOCKPROOF’
  • 1959/60 – DeLuxe movements are no longer serial numbered – just the batch number is used. The last serial number is ~C46xxxx
  • 1959 – The Astral is introduced – no serial numbers are used on Astral movements – just the batch number. Astrals are always shockproof.
  • 1961 - The 25J Automatic movement (based on the Imperial) is introduced
  • 1960 to1962 - Imperial, DeLuxe and Astral continue with just batch numbers on movements and are difficult to date at this point.
  • 1963 – Some DeLuxe and all Imperial models are rebranded as EVEREST. Rebranded Imperials have a calibre number 0104E or 10104E. Astral range stays as it was. The 25J Automatic calibre number is 10144G.
  • 1964 – Astral dial script is changed to ‘SMITHS ASTRAL’ in line. Previously the ‘Astral’ was printed in italics below the name ‘Smiths’.
  • 1964 – The old 27CS 17J centre second movement is modified to become a ‘slimline’ movement in line with the then current trend for slim watches. This slimline movement becomes THE standard for all the centre second models.
  • 1965 – The calibre number is introduced to all watches – stamped next to the balance.

 

60461E is the 15J sub second

60464E is the slimline 17J centre second

60465E is the slimline 17J centre second with calendar

  • 1967 – 60466E (slimline 17J centre second with hacking) is introduced. Smiths GS4701 Military Watches appear and use this movement
  • 1968 – 60474E (slimline 17J centre second with calendar – maybe hacking as well) is introduced for the CM4501 Astral Diver. The 60467E (calendar) is also introduced but I don’t know the difference between this and the earlier 60465E calendar. The 60471E 16J sub second is introduced

 

 

If you use the hallmark date letter from gold cased DeLuxe watches as the dating medium, it is possible to get some idea of the serial numbering sequence (please bear in mind that there is sometimes a significant overlap as watch movements and cases were stored before use) – anyway it goes something like this:-

 

Pre 1948 – no prefix letter used with serial number

1948 – A, B and C prefix used.

 

Year serial number

1947/48 C794

1948/49 C32208

1950/51 C53225

1951/52 C106845

1952/53 C143852

1953/54

1954/55 C204851

1955/56 C253061

1956/57 C340318

1957/58 C356042

1958/59 C408323

1959/60 C445920

 

This is just a 'first attempt' at dating Smiths and hopefully as more information becomes available it will become more accurate

Hi,

I am looking for any assistance dating a Smiths pocket watch, inherited from my great grandfather.

It is a brass looking piece, stating "Smiths Empire", in the upper of the dial with "Made in Gt Britain" around the lower edge of the dial below the second dial, with Roman numerals 1-12.

The reverse pattern resembles a series of wavy concentric circles, though I haven tried removing the back cover as yet for fear of doing any damage.

It is attached to a chain stamped "JC Graves Sheffield", with assay marks I understand to denote Birmingham (anchor), 1902/1902 seems to tally in dates with the date stamp"c", and there is a lion mark on there too. Also there appears to be the initial "B.L" stamped below this.

I seem to remember this watch and chain from my childhood being silver in colour, I guess this has just become tarnished to a brass colour over the last 40 years?

If so, how can this best be restored?

If anyone has the expertise to assist me directly, or point me in the right direction of useful source info, it would be greatly appreciated.

I do have photos, just cant seem to paste them into this message???

Many thanks in advance,

Lee

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My caliber of Minerva I asked in Monblan and thay in 1week answered.

Intresting for me, that Hy.Moser said cant answer about year of movement, because its was lost (data and archive).

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