Otto Frei.
Quality Jewelry Supplies for Generations - Since 1930
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Vintage Blue Steel Watch Mainsprings Width 2 MM And Up

   
Blue Steel Mainspring Width 2.00 MM, Dennison 11
$4.00 $2.00 On Sale!
BLMS-1110125
Metric Width: 2.00 mm, Dennison Width: 11
Metric Strength: 0.11 mm, Dennison Strength: 10
Length in Inches: 12 1/2

Quantity   1 - 2     3+  
Price $4.00 $2.50
On Sale! $2.00 $1.00

   
Blue Steel Mainspring Width 2.10 MM, Dennison 12
$10.00 $5.00 On Sale!
BLMS-128285
Metric Width: 2.10 mm, Dennison Width: 12
Metric Strength: 0.14 mm, Dennison Strength: 8
Length in Inches: 28 1/2


    
Blue Steel Mainspring Width 2.20 MM, Dennison 13
$4.00 $2.00 On Sale!
BLMS-13814
Metric Width: 2.20 mm, Dennison Width: 13
Metric Strength: 0.14 mm, Dennison Strength: 8
Length in Inches: 14
   
Blue Steel Mainspring Width 2.20 MM, Dennison 13
$10.00 $5.00 On Sale!
Metric Width: 2.30 mm, Dennison Width: 14
Metric Strength: 0.21 mm, Dennison Strength: 3
Length in Inches: 19 1/2


    
Blue Steel Mainspring Width 2.50 MM, Dennison 16
$8.00
BLMS-163215
Metric Width: 2.50 mm, Dennison Width: 16
Metric Strength: 0.21 mm, Dennison Strength: 3
Length in Inches: 21 1/2


    
Blue Steel Mainspring Width 2.90 MM, Dennison 20
$10.00 $5.00 On Sale!
BLMS-20248
Metric Width: 2.90 mm, Dennison Width: 20
Metric Strength: 0.22 mm, Dennison Strength: 2
Length in Inches: 48
   
Blue Steel Mainspring Width 2.00 MM, Dennison 11
$4.00 $2.00 On Sale!
BLMS-1112135
Metric Width: 2.00 mm, Dennison Width: 11
Metric Strength: 0.09 mm, Dennison Strength: 12
Length in Inches: 13 1/2

Quantity   1 - 2     3+  
Price $4.00 $2.50
On Sale! $2.00 $1.00

   
Blue Steel Mainspring Width 2.00 MM, Dennison 11
$10.00 $5.00 On Sale!
BLMS-1112135
Metric Width: 2.00 mm, Dennison Width: 11
Metric Strength: 0.09 mm, Dennison Strength: 12
Length in Inches: 13 1/2


    
Blue Steel Mainspring Width 2.30 MM, Dennison 14
$10.00 $5.00 On Sale!
Metric Width: 2.30 mm, Dennison Width: 14
Metric Strength: 0.20 mm, Dennison Strength: 3 1/2
Length in Inches: 19 1/2
   
Blue Steel Mainspring Width 2.50 MM, Dennison 16
$10.00 $5.00 On Sale!
BLMS-16724
Metric Width: 2.50 mm, Dennison Width: 16
Metric Strength: 0.15 mm, Dennison Strength: 7
Length in Inches: 24


    
Blue Steel Mainspring Width 2.00 MM, Dennison 11
$6.00
BLMS-1114185
Metric Width: 2.00 mm, Dennison Width: 11
Metric Strength: 0.07 mm, Dennison Strength: 14
Length in Inches: 18 1/2

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Otto Frei, Watch Parts Since 1930
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Mailing Address: PO BOX 796, Oakland Ca. 94604
Freight Shipment Address: 119 3rd St. Oakland Ca. 94607 USA


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