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ACCUTRON REASEARCH and IDENTIFICATION---Page 1

This site is intended to aid in research of Accutron Timepieces (with a sampling of other brands of Tuning fork watches). I will add watches as time permits and welcome contributions from others. The added comments are personal observations based on over 30 years of servicing Accutrons. Click on the thumbnails for larger pic. HUM ON!

 

Here is the ill fated Swissonic. Max Hertzel was ready to mass produce these but Bulova invoked their tuning fork patent protection. Note the unusual design of the tuning fork. There are maybe three running examples of this watch today.
swissonic.jpg (19404 bytes)   swissfront.jpg (37899 bytes) swissback.jpg (51715 bytes) swissinfo2.jpg (105845 bytes)
ultraq.jpg (36585 bytes) Longines quartz movement with tuning fork and index system. This is reportedly the movement used in the Patek Philippe tuning fork model. Thanks to Betsy Cohn for the pic. The same movement was used by and signed Bulova cal. 10EACD (No picture availiable). bigultra.jpg (160409 bytes)
pptfq.jpg (27474 bytes)

Beta 21 Quartz movement with tuning fork reportedly used by Patek Philippe and others. Thanks to Peter Langley for the picture at the far left.ab1.jpg (23287 bytes)ab2.jpg (20326 bytes)
Here is a picture from an Omega SSIH training booklet with a picture of the Beta 21 Quartz tuning fork movement (on the left), circa 1970's.
Here is an Omega case, likely for  the Beta 21 Quartz tuning fork movement (above), circa 1970's. The case numbers are 196.0055 and 396.0841.
 Thanks to Gary Clark for this:

Many people don't know it but Timex in the 50's pursued a tuning fork watch. Here in my town of Paso Robles California I met a guy that worked at a missile guidance company here in the 50's and they made tuning forks
for missiles and things. Timex had this company make a prototype for them and he told me that they made 4 or 5 of the prototypes running. I have tried to obtain one of them but so far nothing but the person did give me a partial movement which has the outer diameter plate and the inner plate which has 3 sets of flat steel pieces that were the tuning forks. The inner part actually vibrated inside of the outer diameter plate and all the train wheels were inside the inner vibrating plate. I sure wish I had one of the complete movements.
When the prototypes were finished and it got around to how much it was going to cost to produce them Timex decided to go with the electric balance movement I believe was produced in Germany. I do believe that Timex started on this project long before Hamilton or Bulova. Here are 2 pictures of the partial movement I have (front
and Back).
 
iwctfmvt.jpg (22517 bytes) Here is an International Watch Company version of the tuning fork timepiece.
certtfchrono2.jpg (39882 bytes) Here are two Certina ESA tuning fork chronographs. Yellow model on the left and steel on the right, certina.jpg (36562 bytes)
04331.jpg (24275 bytes) Here is a Universal cal. 1-52, exactly like 218. 18K gold case #2887.Universal had a long standing partnership with Bulova and had made watches for them for many years.Pics to left and right. 04331c.jpg (16810 bytes) 04331b.jpg (20478 bytes) 04331a.jpg (32489 bytes)
04549.jpg (20700 bytes) Tissot Tissonic tuning fork wristwatch, 70's styling, stainless steel, original bracelet, ESA 9162 movement is signed Tissot 2010. 04549a.jpg (13852 bytes)
Zenith Allegro tuning fork with model 505 movement. Thanks to Dean F. for the picture and info.  
B&Mtfchrono.jpg (17222 bytes) A Baume and Mercier tuning fork chronograph. radotf.jpg (40407 bytes) To the right and left are the back and front views of a Rado tuning fork timepiece.

radotfback.jpg (33156 bytes)
04564.jpg (19642 bytes) Movado tuning Fork wristwatch, Zenith 505/ESA 9164 movement. hisonic.jpg (128650 bytes) Citizen Hisonic, Mineral glass crystal, 218 movement, Citizen made Caravelle Watch brand for Bulova at this time period.  
Titus Swiss tuning fork wristwatch with ESA 9164 movement.  
mkiii.jpg (64546 bytes) mkiiia.jpg (27871 bytes)  mkiiib.jpg (22549 bytes) Above is an Accuquartz Navigator MKIII. It has a 2242 movement, N7. Ships chronometer style

04538.jpg (19534 bytes) No case number, M0/1960 model, case stamped inside, Star Watch Case Co., Assymetrical, stainless steel with 14K yellow gold inlay, no date code on movement.

e101.jpg (29016 bytes) Case #E101, N6, 10 diamonds on rgpb, 2210, N6.

l161.jpg (17660 bytes) Case #L161, N1, 14K ygf case and intergrated bracelet, movement is 2183, N2.

Case #L186, N3, 14K ygf case, movement is 2210, N3.

316-5-pl.jpg (44284 bytes) Case #316-5 is M8, 214 movt is M7, ss, made with and without dial, I believe. The same watch with plain and Spaceview crystals. 316-5tf.jpg (44838 bytes)

318.jpg (40912 bytes) Case #318, M6, stainless steel, 214, M6.

702-1.jpg (25379 bytes)  Case #702-1, ss, N0, movement is 2181, N4, signed bracelet may be original 10000pic.gif (109 bytes)

Case #702-1, ss, N0, movement is 2181, N3

04387.jpg (15091 bytes) Case #769-1, ss, N0, movement is 2183, N3, case marked Swiss made

Case #769-1, ss, N0, movement is 2183, N2, case marked Swiss made

770.jpg (15444 bytes) Case #770, N1, Spaceview, ss

781.jpg (22646 bytes) Case #781, ss, N0, movt is 2182, N0.

048108.jpg (9377 bytes) 048108a.jpg (10353 bytes) Bracelet and partial case, similar or likely Case #781

741-1.jpg (52616 bytes) Case #741-1, yrgp tops, ssb, N0, movt is 2181, N0 , original bracelet is signed Bulova on the clasp

952.jpg (17248 bytes) Case #952, N2, stainless steel, movement is 2180, N3

Case #1054, N2, stainless steel, movement is 2302, N3, Bow Tie

1194.jpg (102709 bytes) Case number possibly inaccurate, looks like 1194, m3 stainless case, movement is 214HN, m7, original bracelet.

2387.jpg (48754 bytes) Case #2387, cal 214, case-M6, movt-N0, legitimate SV bezel with incorrect case back #.

04537.jpg (18451 bytes) Case #2387, cal 214, case-M4, movt-N1 04537a.jpg (16558 bytes)

04342.jpg (16299 bytes) Another case #2387, M7, cal. 214H movement is also M7.

04332.jpg (29802 bytes) 04332b.jpg (19956 bytes) Case No. 2409, 14K, M5, 214 movement, M4.

2446.jpg (46285 bytes) Case number 2446, stainless steel, RR model, N0, movt is 214H- M5

04573.jpg (17945 bytes) Case number 2446, stainless steel, RR model, M9, movt is gilt, 214H- M9

02527.jpg (13004 bytes) Case #2527, M7, 10Kygf bezel, ssb, movt is 214, M7.

2527.jpg (39724 bytes) Case #2527, M6, 10Kygf bezel, ssb, movt is 214, M8.   2527sv.jpg (44124 bytes) Here is the same case number in a Spaceviewed case.
04328.jpg (19127 bytes) Case #2527, N0, 10Kygf bezel, ssb, movt is 214, Gilt, N0.   04329.jpg (17851 bytes) Case #2527, M9, 10Kygf bezel, ssb, movt is 214, Gilt, M9.
2528.jpg (45467 bytes) Case #2528, ss, M4, movt is 214, M5, legitimate SV   a2528.jpg (43716 bytes) Case #2528, ss, M6, movt is 214, M2, legitimate SV
2531.jpg (37617 bytes) Case #2531, M4, ygf bezel, stainless steel back, has dial but also made as a Spaceview, movt is 214, M4, I am not sure if this one or the below case is correct for the case #.  
04539.jpg (23575 bytes) Case #2531, M4, ygf bezel, stainless steel case and back, movt is 214, M1 04539a.jpg (16452 bytes)
2548.jpg (14732 bytes) Case#2548-M7-10Kygf/ssb, movt M5-214N, no idea what the N is as far as differences. 2548a.jpg (44374 bytes) Another watch, case #2548, M4, 214 movt has no date code.

043163.jpg (18085 bytes) Has c/n2446 but should be 2548, I believe, N0, 214 movement is M7.

2625.jpg (22266 bytes) Case #2625, M5, stainless steel, movt is 214, M5

04542.jpg (15076 bytes) Case #2662, 14K, M6, cal 218D, M6 04545.jpg (12750 bytes)

2662.jpg (47360 bytes) Case #2662, cal. 2181, case is 14K, M6. a2662.jpg (20173 bytes) Case #A2662, N3, yge bezel, rgp back, movt is 2181, N5

Case Parts catalog states that A2662 has 2181 movement and 2662 has 218D, but it appears that this may have changed near the end of the production runs.

 2663.jpg (41962 bytes) Case #2663, cal. 2181, case-M9, movt-N0, NOS head, correct everything except band.

04339.jpg (17204 bytes) Case #2700, 10K ygf bezel, M9, ss back, gilt 214 movement is M9 also, florentine finish on bezel.

043164.jpg (15498 bytes) Case #2737, M7, 214H is M6, stainless steel with missing lug.

2766.jpg (43883 bytes) Case #2766, M7, all stainless steel, 218, N0

eb86a.jpg (24601 bytes)  Case #2766, M7, all stainless steel, 2181 cal. movement, M9, NOS eb86a3.jpg (11100 bytes) eb86a5.jpg (21344 bytes)

04333.jpg (18704 bytes) Case #2781, 14K, M7, Cal. 218D, M7

2857.jpg (56382 bytes) Case #2857, cal 214, case-N0, movt-M5

04326.jpg (21586 bytes) Case #2857, cal 214, case-N0, movt-M4 04326a.jpg (17681 bytes)

04541.jpg (17339 bytes) Case #2913, 14K, N0, cal. 2182, N0

2918.jpg (14521 bytes) Case #2918-M9-14KY, movt M9-2182 2182m9.jpg (20971 bytes) 2182 special cell strap modification, looks factory done

2925.jpg (24962 bytes) Case #2925, N3, 14K ygf, movt is cal 2182, Roman dial

04386.jpg (19778 bytes) Case #2925, N2, 14K ygf, movt is cal 2182, N2, Arabic dial

2975.jpg (24169 bytes) Case #2975, M7, stainless steel, cal. 2182, N0.

Case #2975, M9, stainless steel, cal. 2182, N0, over under calendar.

2991.jpg (33742 bytes)   Case #2991, M9, stainless steel, cal.2185, N0

a2992.jpg (46087 bytes) Case #A2992 is M9, 14K ygf, 2185 movt is N0, Astronaut MKII

acz.jpg (35571 bytes) acz1.jpg (36047 bytes) acz2.jpg (33224 bytes) Case #D3001, Swiss, presented in 1969, no date code found.Mahogany and Leather. Thanks to Dan Thomas

04327a.jpg (22189 bytes) Case #B-3022, N1, 10K yellow gf case and intergrated bracelet. Movement is 2183, N1. Original Ladies model.

3024.jpg (45109 bytes) Case #3024, N1, movt is 214, M6, has been Spaceviewed, case parts catalog lists no reflector #

3026.jpg (47791 bytes) C/n3026, stainless steel, M7, movt is 2181, N1

04374.jpg (22085 bytes) Case #3076, N1, Gold electroplate bezel and rgp back, movement is 2180, N0

045103.jpg (20249 bytes) Case #3076, N0, Gold electroplate bezel and rgp back, movement is 2180, N1

Case #3076, Gold electroplate bezel and rgp back, movement is 2180, N3

Case #3083, N0, Stainless Steel, movement is 2180, N2

3090.jpg (62229 bytes) Case #3090, cal 2180, case-No, Movt-N1

3122.jpg (46838 bytes) Case #3122, N2, cal. 2181, N4.

04346a.jpg (17154 bytes) 04346.jpg (15732 bytes)  Case #A3122, N4, cal.2181-N4, original bracelet, multiple tuning forks on dial.

3134.jpg (22516 bytes) Case #3134, N1, movement is 2181, N1, case is yge bezel and yrgp back.

Case #G3179, N6, Gold electroplate bezel and rgp back, Movement is 2193.10, N7

A3180.jpg (34035 bytes) Case #A3180, N2, 2301 movt, N4

3192.jpg (48938 bytes) Case #3192 is N4, stainless steel, movement is 2181, N4, logo dial.

043165.jpg (14134 bytes) Case #3194, N2, 218D is M7.

04373.jpg (19370 bytes) Case number 3193, N2, stainless steel, movement is cal. 2181, N2.

3219.jpg (29606 bytes) Case #3219, N2, yge bezel, yrgp back, movement is 2242, N2, nice diamond dial.

043211.jpg (17624 bytes) Case #3222, Stainless steel, N3, movement is 2240, N3, diamond dial, Accuquartz.

3228.jpg (47810 bytes) Case #3228, N4, cal. 2240, N4

3231.jpg (30301 bytes)   Case #3231, cal. 2301, case and movt-N2, 14K, genuine strap, nos.

046146.jpg (19221 bytes) Case #3244, N3, Yellow hge bezel and yellow rolled gold plate back, Woody type.

3267.jpg (23319 bytes) Case #3267, ygep bezel, 10Kyrgp backN3, movt is 2182, N3, assymetrical

3275.jpg (20941 bytes) Case #3275, N2, 2182 movement, N3, case is yhge bezel and yrgp back.

043118.jpg (19334 bytes) Case #3275, N3, 2182 movement, N3, case is yge bezel and yrgp back.

3279.jpg (33002 bytes) Case #3279, movt N3, case N2, cal 2182

3279a.jpg (27321 bytes) Case #3279, movt cal 2182, M9, case N2

Go to PAGE 2 for the higher numbers, boxes, bracelets, Catalog Sheets, etc. PRESS HERE

This page was last saved on 06/27/08

copyright © 1999-2007, Thomas H. Mister Sr.