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Certina serial number system

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i found information about this brand is quite rarely compared with other brands, some information found even wrong on internet, just now was seeing a really good stuff about the Certina serial number, i wanna share it here, hope it may be helpful.

 

Certina serail numbers

Before 1958 the serial number could look like this.

8600-2, 1600756.

I'm not sure the caliber information is in the number as it all over the place and I have not been able to get any real information to break it down, and there were some models that had different serial numbers and some that only hada the production number.



1958? - 1974

This is how a typical serial number looks like from this period.

5806.135, 4993993

58 is the caliber, 06 is the type of metal used in the case, 135 is the case style and 4993993 is the number of watches made.

There was an overlap of the old serial numbers and the new ones sold in 1958 but I don't know how long after 1958 they sold old stock.

Movement
04 Cal. 13-22
06 Cal.
08 Cal. 13-20 or 13-21
10 Cal.
11 Cal.
17 Cal. 17-25
18 Cal.
19 Cal.
20 Cal. 19-55 pr 19-30
21 Cal. K.F. 320?
24 Cal.
26 Cal. Automatic
27 Cal. 17-011
29 Cal. 324
30 Cal.
34 Cal. 28-15
37 Cal. 12-10
38 Cal.
40 Cal. 23-20 or 23-30
41 Cal. 25-36
43 Cal. K.F. 330?
50 Cal. 410
51 Cal. 25-36, 1960+ or 26-66, 1960-1977
52 Cal. 25-66, 1960-1977
53 Cal. 25-661 or 25-661 M (-M), Date, 1960-1977
56 Cal. 25-45, 1951-1960 or 25-451, 1951-1960 or 25-65, 1960-1977
58 Cal. 25-651 1960-1977
59 Cal. 25-652 1960-1977
63 Cal. 25-021
68 Cal. 25-011
70 Cal. 28-10, 1965-1970?
71 Cal. 28-16
72 Cal.
73 Cal. 28-163, Biorhythm, 1965+
75 Cal. 28-353 (ESA 9154), Electronic, Bbiorhythm, 1971+
77 Cal. Electronic
81 Cal. Electronic or 321, 28-15?
82 Cal. Electronic
84 Cal. 29-053 (Valjoux 23), 1974 or 29-063 (Valjoux 236), 1974
85 Cal. 29-053 (Valjoux 23), 1974 or 29-062 (Valjoux 726), 1974
86 Cal. 29-0531 (Valjoux 232), 1974 or 29-0631 (Valjoux 234), 1974
87 Cal. 29-064 (Valjoux 728), 1971+ or K.F.320?
91 Cal. Quartz
92 Cal. Quartz


Case metal
01 Stainless steel
02 Chrome
05 10 Micron Gold plate
06 20 Micron Gold plate
08 ?
09 14 Carat yellow gold
10 18 Carat yellow gold
-9 14 Carat yellow gold
-10 18 Carat yellow gold
11 18 Carat White gold
21 Gold on steel
27 ?
60 18 Carat + 18 Carat bracelet , yellow gold
61 18 Carat + 18 Carat bracelet , White gold
70 18 Carat + 18 Carat bracelet , yellow gold
71 18 Carat + 18 Carat bracelet , White gold
80 18 Carat + 18 Carat bracelet , yellow gold
81 18 Carat + 18 Carat bracelet , White gold


1974+

This is how a typical serial number looks like from this period.

155.7135.42

155 is the caliber, 7135 is the style of the case, 42 is the type of metal used in the case. Gone is the amount of watches made.


Movement
111 Cal. ETA 957
113 Cal. ETA 955.412
115 Cal. ETA 955.112
116 Cal. ETA 955.112
122 Cal. ETA 955.412
127 Cal.
129 Cal.
133 Cal.
148 Cal.
152 Cal.
153 Cal.
154 Cal. ETA 255.441
155 Cal. ETA 255.411
156 Cal. ETA 255.411
157 Cal. ETA 255.111
164 Cal.
158 Cal. ETA 255.111
176 Cal. ETA 255.121
182 Cal.
184 Cal. (113R) 955.412
186 Cal. ETA 555.112
225 Cal. ETA 255.483
226 Cal. ETA 255.241
260 Cal. ETA F0611
300 Cal. 13-22
322 Cal. ETA 901.001
396 Cal. Peseux 7001
408 Cal.
437 Cal. ETA 2852
441 Cal.
445 Cal. 25-021
448 Cal. ETA 251.264
485 Cal.
506 Cal. Unitas 6497
538 Cal. , Chronograph
541 Cal. , Chronograph
542 Cal.
536 Cal.
558 Cal.
605 Cal. ETA 2872
623 Cal. 25-011
633 Cal.
674 Cal. Valjoux 7750, Automatic, Chronograph, 1974
681 Cal. AS 5008, Automatic, Alarm, 1971 to 1974
703 Cal.
714 Cal. LCD, Quartz
715 Cal.
717 Cal.
719 Cal.
720 Cal. 28-351
721 Cal.
729 Cal.
731 Cal.
738 Cal. (ESA 952.111)
740 Cal. Electric
742 Cal. 29-152 (ESA 9164), Tuning fork, Day, Date, 1971 to 1976
744 Cal. ETA 952.111
749 Cal. 749 (ESA 9210), Tuning fork, Chronograph, 1975 to 1976
750 Cal. 750 (ESA 9361), 1977+
751 Cal.
753 Cal. ETA 944.111
755 Cal. ESA (ETA) 9180
756 Cal. Quartz
769 Cal. ESA 536.121
772 Cal. LCD, Quartz
775 Cal. 29-251, 1974
778 Cal. LCD, Quartz
810 Cal. 13-50
854 Cal. 854-1
780 Cal. 780-24 (ESA 934.711), LCD, Quartz
786 Cal. LCD, Quartz
787 Cal. 787 (ESA 934.712) LCD, Quartz
788 Cal. LCD, Quartz
800 Cal. 13-22
811 Cal.
824 Cal.
825 Cal. 17-361
827 Cal. 19-30
828 Cal.
839 Cal.
851 Cal. 25-66
852 Cal. 25-661
853 Cal. 1976
854 Cal. 854-1, 1976
860 Cal.
901 Cal.
909 Cal. 17-351
913 Cal. 25-651, 25-651M or 29-252 (ESA 9181), Quartz
914 Cal.
917 Cal.
918 Cal.
919 Cal. 919-1, Automatic, 1976+
920 Cal. 920, 1976+
933 Cal.


Case metal
11 Titanium
12 Titanium
21 5 Micron White gold
22 10 Mikron Yellow gold
23 10 Mikron Rose gold
24 20 Mikron White gold
25 20 Mikron Yellow gold
26 20 Mikron Rose gold
27 40 Mikron White gold
28 40 Mikron Yellow gold
29 40 Mikron Rose gold
31 Hard metal (Wolframkarbid)
32 Yellow metal
34 Tungsten
40 rolled gold-plate, gold filled?
41 Stainless steel
42 Chrome
43 Bicolour
44 Bicolour
46 Gold plate
47 Titanium carbide coat
49 Gold plate
51 Silver plate 1000g
56 Silver plate 600g
57 Silver plate 700g
58 Silver plate 800g
59 Silver plate 925g
61 9 Carat White gold
62 9 Carat Yellow gold
63 9 Carat Rose gold
64 14 Carat White gold
65 14 Carat Yellow gold
66 14 Carat Rose gold
67 18 Carat White gold
68 18 Carat Yellow gold
69 18 Carat Rose gold
70 Platinum
80 Plastic
94 14 Carat White gold
95 14 Carat Yellow gold


A very crued dating system (see post on next page).

DS was launced in 1958, 3788027 (lowest number I haver found)(start of system)
1959, 4 000 000
1960, 4 350 000
1961, 4 700 000
1962, 5 050 000
1963, 5 400 000
1964, 5 750 000
1965, 6 100 000
1966, 6 450 000
1967, 6 800 000
DS-2 Was launched in 1968, 7089341 (lowest number I have found)
1969, 7 500 000
1970, 8 000 000
1971, 8 500 000
1972, 9 000 000
1973, 9 600 000
1974, (End of system)


Watches found with the year engraved.

3247555, 1957
3860667, 1960
7301739, 1969

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Hello there I'm the one that have made the effort to try to find out about Certina serial numbers and it's nice to see that there is some interest as it's a great brand and now we can put a year to watches from the start of production up to 1974.

 

I have updated the list and you can look at it here.

https://drive.google.com/file/d/0B4R...it?usp=sharing

 

I made it in plane text so it's easy to make your own document with it as you wish.

 

Here is how the serial numbers correspond to the year of manufacture as it stands now and should be good enough for normal dating of watches. And boy do people get the year wrong. :-)

 

1938, 0'000'000
1939, 0'100'000
1940, 0'200'000
1941, 0'300'000
1942, 0'400'000
1943, 0'500'000
1944, 0'600'000
1945, 0'700'000
1946, 0'900'000
1947, 1'100'000
1948, 1'300'000
1949, 1'500'000
1950, 1'700'000
1951, 1'900'000
1952, 2'100'000
1953, 2'300'000
1954, 2'500'000
1955, 2'700'000
1956, 2'900'000
1957, 3'100'000
1958, 3'300'000
1959, 3'500'000
1960, 3'700'000
1961, 3'900'000
1962, 4'200'000
1963, 4'500'000
1964, 5'000'000
1965, 5'500'000
1966, 6'000'000
1967, 6'500'000
1968, 7'000'000
1969, 7'500'000
1970, 8'000'000
1971, 8'500'000
1972, 9'100'000
1973, 9'700'000

 

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wow, thanks very much for the effort, Shum, small world, right, I would never have expected could see the original contributor of these information, and much appreciated for bringing out the new and fresh information I couldn't find about this brand, thanks very much for the effort, that's a big treasure to the forum, and hope there is no offence by not telling you before I posted it here, now I even had a blur memory about where I find these data.  :P

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Yeah a throwback to the pasty with a modern design. I'm totally stuck in the past though.

Shum, you must have some vintage collections, mind posting them out for a eye feast to us? 

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Shum, you must have some vintage collections, mind posting them out for a eye feast to us? 

I'm not a collector but I fix up old watches and sell therm. I only buy junk so if you want to see a bunch of broken watches that I can do. :-)

 

I have around 100 Certina watches in need of a fix up and many of them are only good for parts.

 

I mostly hang at a different forum and I have made a thread that show some of the watches I have fixed or are going to.

http://forums.watchuseek.com/f11/vintage-quartz-948936.html

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Very great, I always admire these people with rich watch knowledge, I would very much look forward to seeing your work about the fix up, hope you can keep us updated no matter here or that forum,  I also look at that forum too, lots of watch information talked about, and a great place to learn. 

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Right now I'm mostly just doing nothing but I am working off and on with a watch from hell. I already lost 3 parts and have to find new ones. I guess laying of caffeine wasn't the best thing to do right now. It's not my watch so I feel I can't really show it but the next one I can put up some pictures of the work.

 

It's an automartic so there are 5 very small springloaded parts that can be a pain to remove and put back and you need very steady hands.

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yes, take some rest, maybe you will be lighted up how to do it, watch repair is a patient work, you gonna be very careful and highly intensive concentration, but quite funny in my opinion, especially when finished some never done work, a great sense of satisfaction and pride. But for you, hundred of and thousand of fix up,. you may quite get used to it, lol..

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