Otto Frei.
Quality Jewelry Supplies for Generations - Since 1930
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Watch Case 41 mm Style #11 Sapphire Glass to Fit ETA 6497-1 and 6498-1

Watch Case #11 can be used with or without a dial.
To case the movement use the ETA supplied case screws that came with the movement. Do not screw them in all the way, back them off just enough so that the screw head just touches the case back, when the case back is closed to a waterproof seal.

Please Click Below to see a YouTube Video Interview with Louis Biagi on

 

"How to Case a Skeleton Movement Without Dial in Case 11"
Click to see Video on Youtube

 

   

Waterproof 7 mm Crown for Ofrei Case Style #10 & #11

Replacement crown 7 mm diameter, 2.5mm tube opening, Tap 6 size for stem diameter 1.20 found on the ETA 6497 & 6498 movements. Fits 41 mm diameter Otto Frei watch cases Ofrei style #10 and style #11 for ETA 6497-1 and 6498-1 movements.

CASE10-CRN-7MM
$5.80

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Domed Mineral Glass 1.5 Thick by 37.50 mm for Ofrei Case Style #10

1.5 mm thick by 37.50 mm in diameter. Fits 41 mm diameter watch case style #10 for ETA 6497-1 and 6498-1.

CASE10-CRY1.5X37.50
$7.00

 

   

Flat Mineral Glass 1.2 Thick by 36.0 mm for Ofrei Case Style #10

1.2 mm thick by 36.00 mm in diameter. Fits 41 mm diameter watch case style #10 for ETA 6497-1 and 6498-1.

CASE10-CRY1.2X36.00
$3.00

 

   
I-Form Gaskets Height 0.80 mm Thickness 0.35 mm 367/360
$2.85
I-FORM-367/360
Works with the case back crystal on OFREI-CASE10 and OFREI-CASE11.

Quantity   1 - 2     3+  
Price $2.85 $2.15

 

Small Second Hands Hole Size 0.27 mm

Unitas and ETA 6497 & 6498 take hole size 0.27 mm.
 

Watch Case 45 mm Style #7 Sapphire Glass & #8 Mineral Glass to Fit ETA 6497-1 and 6498-1

See Thru "Exhibition Back" Watch Cases in Stainless Steel and Rose Gold PVD Plated

45 mm Diameter Watch Case for ETA 6497-1 and ETA 6497 Watch Movements


 

Watch Hands 115/200 for Unitas and ETA 6497 & 6498

 

Dials to Fit Unitas / ETA 6497 & 6498 Movements

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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510.832.0355 EXT. 2
800.900.3734 (fax)

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