Otto Frei.
Quality Jewelry Supplies for Generations - Since 1930
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Crystal Accessories


Crystal Cement, Ultra-Violet Activated

This cement hardens when exposed to a UV light source. Best used to glue magnifying lens to mineral glass crystals, since it dries completely clear. Hardens when exposed to sunlight or a UV light. 2 ml bottle


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Ultra-Violet Lamp

Used for activating and curing ultraviolet glue and epoxy for crystal assembly such as setting of watch crystals and other jewelry repairs.
UV lamp for UV glue, always protect your eyes for the rays of the lamp. 110-127 volt, 60HZ, 8 Watts.


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GS Crystal Cement

GS crystal cement is designed to work with both plastic and glass watch crystals, and comes with a pin-point hypo needle applicator.


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Vigor Jewelers Epoxy

Supper fast Jewelers Epoxy Sets in 4 Minutes and Maximum Strength is reached at One Hour!


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Bergeon Glass Pen 7971

This new pen with sockets in different shapes is ideal for cleaning watch glasses in the incoming as well as final quality control without touching the watch case. Can also be used for cleaning dials and hands without leaving any marks. Also very helpful on precious stones. It results a better brilliance of this materials after rubbing than any other cleaning cloths or swabs. Outside of the watchmaker branch, the pen can be used for cleaning the loupes. Equipped with the 7971-A Round Concave Tip for domed crystals. Click here for a demo of item.


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Bergeon Glass Pen 7971-MINI

Equipped with the 7971-MINI-C Round Flat Mini Sized Tip for cleaning flat crystals, hands, and dials.


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Round Concave Replacement Tip for 7971

Diameter of tip is 12 mm


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Triangular Flat Replacement Tip for 7971


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Round Flat Replacement Tip for 7971

Diameter of tip is 12 mm


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Round Flat Mini Sized Replacement Tip for 7971

Diameter of tip is about 5 mm.


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Inexpensive Glass Pen

Comes with standard brush and 12 mm diameter round concave tip. Great for lens, watch crystals, and dials.

MSA 26.177

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Inexpensive Mini Glass Pen

Comes with small sized brush and 7 mm diameter round concave tip. Great for lens, watch crystals, and dials.

MSA 26.178

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Professional Crystal Compound

This is what the pros use and scratches on plastic crystals are removed in seconds, when it is applied to a buffing wheel and lightly buff. Extreme care must be used and if you have an emotional attachment to the watch, then this is not a product for you. Only use on a bench top buffing wheel and with the crystal still in the case using two hands gently place in front on the outer hairs of the fast spinning buffing wheel for just a few seconds. Too much pressure and you will burn a hole in the crystal this also only takes a second to happen. If is not advised to use a Dremel type hand tool, since all it takes is one slip and the crystal is destroyed.


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Bergeon 4266 Crystal Lift

Bergeon crystal lift for removing and installing any plastic crystal without tensioning ring. Jaws open from 10 mm to 45 mm. Removes and inserts immediately, crystals without dis-assembling the watch. Will not damage the crystal.


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New Old Stock, Bergeon Tonneau Shaped Adapter

Tonneau shaped adapter used with the Bergeon crystal lift 4266 to allow removing and installing of Tonneau shaped crystals. Minimum opening: 10 x 13 mm, Maximum opening 25 x 30 mm.


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New Old Stock, Bergeon Cushion Shaped Adapter

Cushion shaped adapter used with the Bergeon crystal lift 4266 to allow removing and installing of Cushion shaped crystals. Minimum opening: 12 x 12 mm, Maximum opening 40 x 40 mm.


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New Old Stock, Bergeon Oval Shaped Adapter

Oval shaped adapter used with the Bergeon crystal lift 4266 to allow removing and installing of Oval shaped crystals. Minimum opening: 11 x 15 mm, Maximum opening 28 x 35 mm.


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Bergeon Supplied Bundle of Peg Wood 3mm


Name of the wood : Hornbeam, Scientific name : Carpinus betulus, Country of Harvest : France


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Bergeon Supplied Bundle of Peg Wood 4mm


Name of the wood : Hornbeam, Scientific name : Carpinus betulus, Country of Harvest : Germany


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PolyWatch Plastic Crystal Polish Two Tubes

Removes scratches from plastic watch crystals. Apply a small amount and polish with a cotton cloth. Two tubes for the price of one, with a suggested retail of $7.95 to $10.95 per tube.


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PolyWatch Glass Polish Kit

Removes small and medium scratches from watch crystals made of real glass. Versatile use: watches, smartphone, car, furniture, household, window, etc. (do not use for eyeglasses or optical lenses, coated surfaces, and Tablet PCs.)

Features a 2-Component-System: Step 1 - the High-Tech Diamond „Repair-Polish“ removes the scratches. Step 2 - the "Diamond Finishing-Polish" polishes to a high gloss. This kit will help save money from expensive repairs. Suitable for all glass qualities. For approx. 30 to 40 applications.

MSA 26.499

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Bergeon 5011 Air Pump

Sometimes the case back does not screw off or snap off and the only way to gain entrance to the watch movement is thru the crystal. The watch would then have what is know as a two-piece stem and crown and after you removed the crown you just insert this pump into the hole and pump away until the plastic crystal pops off the case.

To Remove crystals quickly and safely. Available with 3 heads: diameter at 1.60, 2.00, and 2.50mm. 1 key for removing the half-stem with the crown.


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Epoxy 330

Epoxy 330 is fast and strong, great for glass watch crystals and is used for repair and stone setting by Jewelers as well. Thickens is 15 minutes and hardened in 2 hours.


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High Power Energy Efficient Fluorescent Desk Lamp

Every Watchmaker's work bench should have one of this lamp. It gives more than enough light to cover your benches surface.

It uses three T5 14W fluorescent light bulbs, comes with electronic ballast and On/Off switch. The dimension of the piece are 91cm (35.8 inches) arm length, 61cm (24 inches) head length, and 11cm (4.3 inches) head width. The color is white and uses 110V/60Hz voltage.


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Replacement T5-14W-6400K 21-1/2" Long Fluorescent Bulb for Desk Lamp FB-13.110


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Watch Crystal & Case Back Protection Pads - Masking Sheets & Rolls
Otto Frei, Watch Parts Since 1930
Customers Entrance
126 2nd St. Oakland, California 94607
Mailing Address: PO BOX 796, Oakland Ca. 94604
Freight Shipment Address: 119 3rd St. Oakland Ca. 94607 USA

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For stock checks on watch parts not listed on the site please call the watch material department at 510-832-0355 ext 3., Monday to Friday 9 AM to 5 PM Pacific Standard Time Zone.
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510.832.0355 EXT. 3
800.900.3734 (fax)

510.832.0355 EXT. 3
510.834.6217 (fax)