Otto Frei.
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Regular Mainsprings 1.20 mm Wide

   
Watch Mainspring # 3105F
$18.80
MS-3105F
Metric Width: 1.2 mm, Metric Strength: 0.105 mm, Length in Inches: 9.75
Dennison Width: 3, Dennison Strength: 10.5
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Watch Mainspring # 3105M
$18.80
MS-3105M
Metric Width: 1.2 mm, Metric Strength: 0.105 mm, Length in Inches: 12.5
Dennison Width: 3, Dennison Strength: 10.5
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Watch Mainspring # 310E
$18.80
MS-310E
Metric Width: 1.2 mm, Metric Strength: 0.11 mm, Length in Inches: 9.5
Dennison Width: 3, Dennison Strength: 10
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Watch Mainspring # 310H
$18.80
MS-310H
Metric Width: 1.2 mm, Metric Strength: 0.11 mm, Length in Inches: 10.5
Dennison Width: 3, Dennison Strength: 10
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Watch Mainspring # 310K
$20.60
MS-310K
Metric Width: 1.2 mm, Metric Strength: 0.11 mm, Length in Inches: 11.5
Dennison Width: 3, Dennison Strength: 10
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Watch Mainspring # 311C
$18.80
MS-311C
Metric Width: 1.2 mm, Metric Strength: 0.1 mm, Length in Inches: 8.5
Dennison Width: 3, Dennison Strength: 11
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Watch Mainspring # 311E
$18.80
MS-311E
Metric Width: 1.2 mm, Metric Strength: 0.1 mm, Length in Inches: 9.5
Dennison Width: 3, Dennison Strength: 11
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Watch Mainspring # 311H
$18.80
MS-311H
Metric Width: 1.2 mm, Metric Strength: 0.1 mm, Length in Inches: 10.5
Dennison Width: 3, Dennison Strength: 11
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Watch Mainspring # 311K
$18.80
MS-311K
Metric Width: 1.2 mm, Metric Strength: 0.1 mm, Length in Inches: 11.5
Dennison Width: 3, Dennison Strength: 11
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Watch Mainspring # 312A
$18.80
MS-312A
Metric Width: 1.2 mm, Metric Strength: 0.09 mm, Length in Inches: 7.5
Dennison Width: 3, Dennison Strength: 12
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Watch Mainspring # 312B
$18.80
MS-312B
Metric Width: 1.2 mm, Metric Strength: 0.09 mm, Length in Inches: 8
Dennison Width: 3, Dennison Strength: 12
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Watch Mainspring # 312C
$18.80
MS-312C
Metric Width: 1.2 mm, Metric Strength: 0.09 mm, Length in Inches: 8.5
Dennison Width: 3, Dennison Strength: 12
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Watch Mainspring # 312E
$18.80
MS-312E
Metric Width: 1.2 mm, Metric Strength: 0.09 mm, Length in Inches: 9.5
Dennison Width: 3, Dennison Strength: 12
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Watch Mainspring # 312H
$18.80
MS-312H
Metric Width: 1.2 mm, Metric Strength: 0.09 mm, Length in Inches: 10.5
Dennison Width: 3, Dennison Strength: 12
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Watch Mainspring # 313A
$18.80
MS-313A
Metric Width: 1.2 mm, Metric Strength: 0.08 mm, Length in Inches: 7.5
Dennison Width: 3, Dennison Strength: 13
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Watch Mainspring # 313B
$18.80
MS-313B
Metric Width: 1.2 mm, Metric Strength: 0.08 mm, Length in Inches: 8
Dennison Width: 3, Dennison Strength: 13
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Watch Mainspring # 313C
$18.80
MS-313C
Metric Width: 1.2 mm, Metric Strength: 0.08 mm, Length in Inches: 8.5
Dennison Width: 3, Dennison Strength: 13
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Watch Mainspring # 313E
$18.80
MS-313E
Metric Width: 1.2 mm, Metric Strength: 0.08 mm, Length in Inches: 9.5
Dennison Width: 3, Dennison Strength: 13
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Watch Mainspring # 313H
$18.80
MS-313H
Metric Width: 1.2 mm, Metric Strength: 0.08 mm, Length in Inches: 10.5
Dennison Width: 3, Dennison Strength: 13
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Watch Mainspring # 314A
$18.80
MS-314A
Metric Width: 1.2 mm, Metric Strength: 0.07 mm, Length in Inches: 7.5
Dennison Width: 3, Dennison Strength: 14
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Watch Mainspring # 314AA
$18.80
MS-314AA
Metric Width: 1.2 mm, Metric Strength: 0.07 mm, Length in Inches: 7
Dennison Width: 3, Dennison Strength: 14
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Watch Mainspring # 314C
$18.80
MS-314C
Metric Width: 1.2 mm, Metric Strength: 0.07 mm, Length in Inches: 8.5
Dennison Width: 3, Dennison Strength: 14
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Watch Mainspring # 314E
$18.80
MS-314E
Metric Width: 1.2 mm, Metric Strength: 0.07 mm, Length in Inches: 9.5
Dennison Width: 3, Dennison Strength: 14
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Watch Mainspring # 314W
$18.80
MS-314W
Metric Width: 1.2 mm, Metric Strength: 0.07 mm, Length in Inches: 6.5
Dennison Width: 3, Dennison Strength: 14
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Watch Mainspring # 315A
$18.80
MS-315A
Metric Width: 1.2 mm, Metric Strength: 0.06 mm, Length in Inches: 9.5
Dennison Width: 3, Dennison Strength: 15
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Watch Mainspring # 315E
$18.80
MS-315E
Metric Width: 1.2 mm, Metric Strength: 0.06 mm, Length in Inches: 7.5
Dennison Width: 3, Dennison Strength: 15
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Watch Mainspring # 34Y
$18.80
MS-34Y
Metric Width: 1.2 mm, Metric Strength: 0.19 mm, Length in Inches: 17
Dennison Width: 3, Dennison Strength: 4
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Watch Mainspring # 365Z
$18.80
MS-365Z
Metric Width: 1.2 mm, Metric Strength: 0.16 mm, Length in Inches: 22
Dennison Width: 3, Dennison Strength: 6.5
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Watch Mainspring # 36Y
$18.80
MS-36Y
Metric Width: 1.2 mm, Metric Strength: 0.17 mm, Length in Inches: 17
Dennison Width: 3, Dennison Strength: 6

BULOVA 17AH, BUL 17AHS, BUL 17AL, BUL 17ALS, BUL 17P , GRU 716, MON 68 HT 338, TAV 587,
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Watch Mainspring # 38T
$18.80
MS-38T
Metric Width: 1.2 mm, Metric Strength: 0.14 mm, Length in Inches: 15.5
Dennison Width: 3, Dennison Strength: 8
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Watch Mainspring # 38Z
$18.80
MS-38Z
Metric Width: 1.2 mm, Metric Strength: 0.14 mm, Length in Inches: 23.5
Dennison Width: 3, Dennison Strength: 8
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Watch Mainspring # 39M
$18.80
MS-39M
Metric Width: 1.2 mm, Metric Strength: 0.13 mm, Length in Inches: 12
Dennison Width: 3, Dennison Strength: 9
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Watch Mainspring # 414H
$18.80
MS-414H
Metric Width: 1.2 mm, Metric Strength: 0.07 mm, Length in Inches: 10.5, Dennison Width: 4, Dennison Strength: 14
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Watch Mainspring # N1348
$18.80
MS-N1348
Metric Width: 1.2 mm, Metric Strength: 0.06 mm, Length in Inches: 11.25, Dennison Width: 3, Dennison Strength: 15
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Watch Mainspring # N1360
$18.80
MS-N1360
Metric Width: 1.2 mm, Metric Strength: 0.11 mm, Length in Inches: 8.5, Dennison Width: 3, Dennison Strength: 10
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Watch Mainspring # N1404
$18.80
MS-N1404
Metric Width: 1.2 mm, Metric Strength: 0.1 mm, Length in Inches: 12.5, Dennison Width: 3, Dennison Strength: 11
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Watch Mainspring # N1405
$18.80
MS-N1405
Metric Width: 1.2 mm, Metric Strength: 0.1 mm, Length in Inches: 13.5, Dennison Width: 3, Dennison Strength: 11
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Watch Mainspring # N142
$18.80
MS-N142
Metric Width: 1.2 mm, Metric Strength: 0.12 mm, Length in Inches: 10.5, Dennison Width: 3, Dennison Strength: 9.5
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Watch Mainspring # N143
$18.80
MS-N143
Metric Width: 1.2 mm, Metric Strength: 0.13 mm, Length in Inches: 10.5, Dennison Width: 3, Dennison Strength: 9
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Watch Mainspring # N1431
$18.80
MS-N1431
Metric Width: 1.2 mm, Metric Strength: 0.13 mm, Length in Inches: 13.5, Dennison Width: 3, Dennison Strength: 9
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Watch Mainspring # N1434
$18.80
MS-N1434
Metric Width: 1.2 mm, Metric Strength: 0.13 mm, Length in Inches: 20, Dennison Width: 3, Dennison Strength: 9
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Watch Mainspring # N1440
$18.80
MS-N1440
Metric Width: 1.2 mm, Metric Strength: 0.14 mm, Length in Inches: 14.5, Dennison Width: 3, Dennison Strength: 8
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Watch Mainspring # WV100
$18.80
MS-WV100
Metric Width: 1.2 mm, Metric Strength: 0.055 mm, Length in Inches: 15.5
Dennison Width: 3, Dennison Strength: 15.5
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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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800.900.3734 (fax)

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