Otto Frei.
Quality Jewelry Supplies for Generations - Since 1930
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Stem, Stem Extenders, Tubes, Assortments & Refills

   

Seiko And Pulsar Stems Assortment

Stems for over 40 popular Seiko and Pulsar calibers.

MSA99.116
$59.00

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Miyota Stems Assortment

Stems for over 25 popular Miyota calibers.

MSA99.121
$44.00

 

   

Assortment of Stem Extenders

Swiss made, 10 pieces each of 12 different sizes.

MSA99.021
$36.95

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Case Tube, Crown Tube Assortment MSA47.000

Double shoulder case tubes 12 each (144 total) of 12 different sizes all with outside diameter of 2.5 mm on the crown tube shoulder. Swiss Made

MSA47.000
$27.60

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Case Tube Assortment MSA47.001

Double shoulder case tubes 12 each (144 total) of 12 different sizes all with outside diameter of 2.0 mm on the crown tube shoulder. Swiss Made

MSA47.001
$27.60

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Case Tube, Crown Tube Assortment MSA47.002

Double shoulder case tubes 12 each (144 total) of 12 different sizes all with outside diameter of 1.3 mm to 1.80 mm on the crown tube shoulders and case tube diameters from 1.40 mm to 1.60 mm. Swiss Made

MSA47.002
$27.60

 

   

Swiss Made Tube Assortment for Hunter Watches

10 different sizes, 3 pieces each size, a total of 30 pieces. Swiss Made.


ASST-HCT30
$25.95

 

   

Stainless Steel Case Tube, Crown Tube Assortment for Watches

Stainless steel case tube/crown tube18 different sizes, the smallest has case tube diameter of 1.40 mm with crown tube shoulder diameter of 1.50 mm. The largest size in the assortment is 2.20 mm diameter at the case tube end and 2.50 mm diameter at the crown tube end. The assortment contains 5 pieces each of the 18 different sizes for a total of 90 pieces.

ASST-628SS
$19.95

 

   

Assortment of Stem Extenders For Watch Movements

10 pieces each of 9 different sizes. A total of 90 stem extenders.

ASST-620SE2-10
$21.95

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Assortment of 120 Stem Extenders in Plastic Tubes w/Caps

Assortment of 120 Stem Extenders supplied in plastic box with each size in it own Plastic Tube with Cap. These are Swiss made extenders, containing 10 pieces each in 12 different stem sizes, which allow you to either extend the length of your old stem or to convert the old stem to a different (Tap) stem size crown. Refills are available on request at any time.


Assortment of Stem Extenders in Plastic Tubes w/Caps

OFREI-EU53026
$38.95

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Assortment of 60 Stem Extenders in Plastic Tubes w/Caps

Assortment of 60 Stem Extenders supplied in plastic box with each size in it own Plastic Tube with Cap. These are Swiss made extenders, containing 5 pieces each in 12 different stem sizes, which allow you to either extend the length of your old stem or to convert the old stem to a different (Tap) stem size crown. Refills are available on request at any time.


Assortment of Stem Extenders in Plastic Tubes w/Caps

OFREI-EU53027
$28.95

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Swiss Made Tube Assortment for Hunter Watches, 100 Pieces

100 assorted tube pieces for Hunter Watches. Swiss Made.

EU-9010P-100
$41.50

 

   
Swiss Made Tube Assortment for Hunter Watches, 25 Pieces

25 assorted tube pieces for Hunter Watches. Swiss Made.

EU-9010P-25
$13.90

 


   

Vigor Assortment of 72 Swiss Pocket Watch Stems

72 Swiss made Pocket Watch Stems from Vigor.

S-98
$24.95

 

   

Bergeon Tool for Shortening Stems #2002

Tool used to help measure the correct spot of where to cut, when shortening a stem.

BERG-2002
$126.00

 

   

Bergeon 7148 Tweezer to Lubricate Mainsprings and Stems

Anti-magnetic, anti-acid, stainless steel tweezers with soakable foam tips used to lubricate the mainspring and stem.

BERG-7148
$99.95

 

 

Watch Case and Crown Tubes Individual Sizes

 

Stem Extenders, Refills

Stem Extenders, Stem Converters, Female Crown Post, Male Crown Post and Split Stem Adapter Female Converter Post


www.ofrei.com
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 2., Monday to Friday 9 AM to 5 PM Pacific Standard Time Zone.
Stock Checks For Watch Movement & Watch Case Parts

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United States
510.832.0355 EXT. 2
800.900.3734 (fax)

International
510.832.0355 EXT. 2
510.834.6217 (fax)