Regular Mainsprings 1.20 mm Wide

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Otto Frei, Watch Parts Since 1930
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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

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United States
510.832.0355 EXT. 3
800.900.3734 (fax)

International
510.832.0355 EXT. 3
510.834.6217 (fax)

Watch Mainspring # 3105F $20.00 MS-3105F Metric Width: 1.2 mm, Metric Strength: 0.105 mm, Length in Inches: 9.75 Dennison Width: 3, Dennison Strength: 10.5	Watch Mainspring # 3105M $20.00 MS-3105M Metric Width: 1.2 mm, Metric Strength: 0.105 mm, Length in Inches: 12.5 Dennison Width: 3, Dennison Strength: 10.5 Vulcain 65MA, 65ME, 65MS, 65SP, 655, 656, 657, 658, 659
Watch Mainspring # 310E $20.00 MS-310E Metric Width: 1.2 mm, Metric Strength: 0.11 mm, Length in Inches: 9.5 Dennison Width: 3, Dennison Strength: 10	Watch Mainspring # 310K $20.00 MS-310K Metric Width: 1.2 mm, Metric Strength: 0.11 mm, Length in Inches: 11.5 Dennison Width: 3, Dennison Strength: 10 VULCAIN 65Y,
Watch Mainspring # 311C $20.00 MS-311C Metric Width: 1.2 mm, Metric Strength: 0.1 mm, Length in Inches: 8.5 Dennison Width: 3, Dennison Strength: 11	Watch Mainspring # 311E $20.00 MS-311E Metric Width: 1.2 mm, Metric Strength: 0.1 mm, Length in Inches: 9.5 Dennison Width: 3, Dennison Strength: 11
Watch Mainspring # 311H $20.00 MS-311H Metric Width: 1.2 mm, Metric Strength: 0.1 mm, Length in Inches: 10.5 Dennison Width: 3, Dennison Strength: 11	Watch Mainspring # 311K $20.00 MS-311K Metric Width: 1.2 mm, Metric Strength: 0.1 mm, Length in Inches: 11.5 Dennison Width: 3, Dennison Strength: 11
Watch Mainspring # 312A $20.00 MS-312A Metric Width: 1.2 mm, Metric Strength: 0.09 mm, Length in Inches: 7.5 Dennison Width: 3, Dennison Strength: 12	Watch Mainspring # 312B $20.00 MS-312B Metric Width: 1.2 mm, Metric Strength: 0.09 mm, Length in Inches: 8 Dennison Width: 3, Dennison Strength: 12
Watch Mainspring # 312C $20.00 MS-312C Metric Width: 1.2 mm, Metric Strength: 0.09 mm, Length in Inches: 8.5 Dennison Width: 3, Dennison Strength: 12	Watch Mainspring # 312E $20.00 MS-312E Metric Width: 1.2 mm, Metric Strength: 0.09 mm, Length in Inches: 9.5 Dennison Width: 3, Dennison Strength: 12
Watch Mainspring # 312H $20.00 MS-312H Metric Width: 1.2 mm, Metric Strength: 0.09 mm, Length in Inches: 10.5 Dennison Width: 3, Dennison Strength: 12	Watch Mainspring # 313A $20.00 MS-313A Metric Width: 1.2 mm, Metric Strength: 0.08 mm, Length in Inches: 7.5 Dennison Width: 3, Dennison Strength: 13
Watch Mainspring # 313B $20.00 MS-313B Metric Width: 1.2 mm, Metric Strength: 0.08 mm, Length in Inches: 8 Dennison Width: 3, Dennison Strength: 13	Watch Mainspring # 313C $20.00 MS-313C Metric Width: 1.2 mm, Metric Strength: 0.08 mm, Length in Inches: 8.5 Dennison Width: 3, Dennison Strength: 13
Watch Mainspring # 313E $20.00 MS-313E Metric Width: 1.2 mm, Metric Strength: 0.08 mm, Length in Inches: 9.5 Dennison Width: 3, Dennison Strength: 13	Watch Mainspring # 313H $20.00 MS-313H Metric Width: 1.2 mm, Metric Strength: 0.08 mm, Length in Inches: 10.5 Dennison Width: 3, Dennison Strength: 13
Watch Mainspring # 314A $20.00 MS-314A Metric Width: 1.2 mm, Metric Strength: 0.07 mm, Length in Inches: 7.5 Dennison Width: 3, Dennison Strength: 14	Watch Mainspring # 314AA $20.00 MS-314AA Metric Width: 1.2 mm, Metric Strength: 0.07 mm, Length in Inches: 7 Dennison Width: 3, Dennison Strength: 14
Watch Mainspring # 314C $20.00 MS-314C Metric Width: 1.2 mm, Metric Strength: 0.07 mm, Length in Inches: 8.5 Dennison Width: 3, Dennison Strength: 14	Watch Mainspring # 314E $20.00 MS-314E Metric Width: 1.2 mm, Metric Strength: 0.07 mm, Length in Inches: 9.5 Dennison Width: 3, Dennison Strength: 14
Watch Mainspring # 314W $20.00 MS-314W Metric Width: 1.2 mm, Metric Strength: 0.07 mm, Length in Inches: 6.5 Dennison Width: 3, Dennison Strength: 14	Watch Mainspring # 315A $20.00 MS-315A Metric Width: 1.2 mm, Metric Strength: 0.06 mm, Length in Inches: 9.5 Dennison Width: 3, Dennison Strength: 15
Watch Mainspring # 315E $20.00 MS-315E Metric Width: 1.2 mm, Metric Strength: 0.06 mm, Length in Inches: 7.5 Dennison Width: 3, Dennison Strength: 15	Watch Mainspring # 34Y $20.00 MS-34Y Metric Width: 1.2 mm, Metric Strength: 0.19 mm, Length in Inches: 17 Dennison Width: 3, Dennison Strength: 4
Watch Mainspring # 365Z $20.00 MS-365Z Metric Width: 1.2 mm, Metric Strength: 0.16 mm, Length in Inches: 22 Dennison Width: 3, Dennison Strength: 6.5	Watch Mainspring # 36Y $20.00 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,
Watch Mainspring # 38T $20.00 MS-38T Metric Width: 1.2 mm, Metric Strength: 0.14 mm, Length in Inches: 15.5 Dennison Width: 3, Dennison Strength: 8	Watch Mainspring # 38Z $20.00 MS-38Z Metric Width: 1.2 mm, Metric Strength: 0.14 mm, Length in Inches: 23.5 Dennison Width: 3, Dennison Strength: 8
Watch Mainspring # 39M $24.00 MS-39M Metric Width: 1.2 mm, Metric Strength: 0.13 mm, Length in Inches: 12 Dennison Width: 3, Dennison Strength: 9	Watch Mainspring # 414H $20.00 MS-414H Metric Width: 1.2 mm, Metric Strength: 0.07 mm, Length in Inches: 10.5, Dennison Width: 4, Dennison Strength: 14
Watch Mainspring # N1348 $20.00 MS-N1348 Metric Width: 1.2 mm, Metric Strength: 0.06 mm, Length in Inches: 11.25, Dennison Width: 3, Dennison Strength: 15	Watch Mainspring # N1360 $20.00 MS-N1360 Metric Width: 1.2 mm, Metric Strength: 0.11 mm, Length in Inches: 8.5, Dennison Width: 3, Dennison Strength: 10
Watch Mainspring # N1404 $20.00 MS-N1404 Metric Width: 1.2 mm, Metric Strength: 0.1 mm, Length in Inches: 12.5, Dennison Width: 3, Dennison Strength: 11	Watch Mainspring # N1405 $20.00 MS-N1405 Metric Width: 1.2 mm, Metric Strength: 0.1 mm, Length in Inches: 13.5, Dennison Width: 3, Dennison Strength: 11
Watch Mainspring # N142 $28.00 MS-N142 Metric Width: 1.2 mm, Metric Strength: 0.12 mm, Length in Inches: 10.5, Dennison Width: 3, Dennison Strength: 9.5	Watch Mainspring # N143 $22.00 MS-N143 Metric Width: 1.2 mm, Metric Strength: 0.13 mm, Length in Inches: 10.5, Dennison Width: 3, Dennison Strength: 9
Watch Mainspring # N1431 $20.00 MS-N1431 Metric Width: 1.2 mm, Metric Strength: 0.13 mm, Length in Inches: 13.5, Dennison Width: 3, Dennison Strength: 9	Watch Mainspring # N1434 $20.00 MS-N1434 Metric Width: 1.2 mm, Metric Strength: 0.13 mm, Length in Inches: 20, Dennison Width: 3, Dennison Strength: 9
Watch Mainspring # N1440 $20.00 MS-N1440 Metric Width: 1.2 mm, Metric Strength: 0.14 mm, Length in Inches: 14.5, Dennison Width: 3, Dennison Strength: 8	Vulcain 406 Alarm Mainspring # WV100 $24.00 MS-WV100 Metric Width: 1.2 mm, Metric Strength: 0.055 mm, Length in Inches: 11 1/2 Dennison Width: 3, Dennison Strength: 15.5 Mainspring for Alarm