Otto Frei.
Quality Jewelry Supplies for Generations - Since 1930
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Watch Batteries, Capacitors & More


Renata Watch Batteries

(May 2024)

364 & 377 only $33.00 per 100


Lithium Batteries


Capacitors, Seiko Kinetic Rechargeable Battery


Capacitors, Citizen Eco-Drive Rechargeable Battery


Capacitors, Casio Rechargeable Battery


General Purpose Batteries


Photo Batteries


Hearing Aid Batteries


Accucell-1 For Accturon 214 & 218


Cell Straps For Quartz Watch Batteries


Battery Changing Tools & Supplies

Swiss Made 100 Piece Assortment Battery Insulators

Swiss Made. 100 Pieces.


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Make Your Own Watch

It is possible to make your own watches, using the selection of cases, dials and hands we offer.

We have many styles cases with choices of sapphire glass or harden mineral glass along with dials and hands to fit popular ETA & SELLITA Swiss Made mechanical movements 7750, 6497-1, 6498-1, 2824-2, 2836-2, 2804-2, 2801-2 . We also have cases and dials to fit the popular Ronda Swiss Made Quartz Movement Ronda 515. You'll find a large selection of hands, all the straps and tools you need to start assembling your own special watches.
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.
Stock Checks For Watch Movement & Watch Case Parts

Security/Privacy/Return Policy

United States
510.832.0355 EXT. 3
800.900.3734 (fax)

510.832.0355 EXT. 3
510.834.6217 (fax)