1970 Bestfit guide vintage Electric Electronic Watches watchmakers repairs

The data comes on a USB memory stick.

If you do not already know the Bestfit catalogs are the industry standard reference for ordering parts and interchangeability, theres 2 made in 50's/60's for ordinary watches, then this guide was made when the early electric/electronic watches was produced in the 1970's

Has exploded diagrams of some movements, Identification parts drawings with Parts numbers both factory number and Bestfit number, interchangeability information.

A great reference packed with information, a must for anyone who collects or repairs early vintage electric watches. Info comes on CD in PDF format with 24 pages.

On this USB stick there is some Information covering the following movements.

Benrus - GN13, HB13, HS19, HR1.
Certina - 29 152, 29 251, 29 252, 29 351, 28 351, 28 352, 778
Citizen - 8520A, 8600A, 8610A, 8620A, 8630A, 8640A, 8650A, 8810B, 8811B, 8821B, 9002A, 9010A, 9011A, 9012A, 9021, 9030A, 9040.
Croton - Bpec, Dnesa, Xt71, Xt72
Cyma - prefix 96
Doxa - prefix 96
Elgin - 250, 260
ESA - 9150, 9154, 9157, 9158, 9162, 9164, 9180, 9181, 9182, 9183, 9190, 9200, 9210, 9135, 937.681, 9360, 9361, 9362, 9370, 9380
Eterna 1550, 1551, 1555, 1556
GP - 59, 350, 351, 352
Gruen - 30ss, 80, 92E, 150CA, 160CA, 508CA, 509CD, 1000SS, 1001CA.
Hamilton - 645, 683, 700, 701, 702, 703, 682.
Junghans - 600.00, 600.10, 600.12
Lip - r50
Mido - 755, 756, 1207
Movado - 500, 505, 510, 515
MST - 915, 916
Omega - 1220, 1230, 1250, 1255, 1260, 1300, 1301, 1302, 1310, 1320, 1325, 1510, 1600, 1601
PUW - 1000, 1001, 1002, 2001, 2510, 2502, 2508, 2509, 3000.
Sears - A01A, A02A
SeiKo - 0702A, 0703A, 0723A, 0903A, 3302A, 3303A, 3702A, 3703B, 3819A, 3823A, 3863A, 4633A
Tissot - 430, 431, 2010, 2040
Waltham - B339, H315, H400, H477, V340, V418, V497
Wittnauer - 11WT, 12WT, D13T, 68T
Wyler - wq80, wq81
Zodiac - 91, 93, 94, 111, 848.

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