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Genuine Case Parts Ordering Information

Most major watch companies have a system of case numbers stamped on the case, we need this information when ordering crowns, crystal, gaskets and other parts related to the case.

SEIKO-- Stamped outside back of the case, eight digits most of the time. Separated by a dash example 1108-5235. Older watches may contain the dash after the second digit, example: 11-5208 Numbers may also contain letters examples 5H23-7A67 or 4536-735H.

Citizen- Outside the back of case, however sometimes it may be inside the case back. Seven or eight digits older cases starting with 4 then a dash, on newer cases the caliber number is shown then a dash then the case number examples: 4-065346, or 9010-095014 & 35-S22059. Please no numbers like GN-4W-23, which is not a case number and is not needed when ordering.

PULSAR-Stamped outside back of the case, six to eight digits, usually starting with a V, W, or Y.

BULOVA-ACCUTRON-CARAVELLE- On the inside back of case, either in black ink or embossed.

CASIO-Stamped on the out side back of case. Model number is the number which follows the box that contains the movement #. Bands, Crystal & Bezels can the be special ordered 7 to 10 days.

LONGINES-WITTNAUER-JUBILEE- Stamped inside case, also give caliber number.

ROLEX-- Stamped on back of inside case or between case lugs at 12.

OMEGA- Stamped on back of inside case.

HAMILTON- Stamped outside back of the case, on older watches starting with a letter, we nolonger have case parts.

LORUS- Stamped outside back of the case, usually starting with a V, W, or Y.

MIDO- Stamped outside back of case or between the case lugs, four digits most of the time.

TISSOT- Stamped on back of inside case.

WYLER- Stamped on back of inside case.

ZODIAC- Stamped on back of inside case.

GRUEN, BENRUS, WYLER, HAMILTON and ELGIN are no longer available. We'll need a case to match crystal and a sample of the material wanted.

Type in any keywords of a description or a name below to find a product.

If you have questions please call me at 510 599 4890. For those outside the USA the country code is 1.
Thanks, Bob Frei
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