Mainsprings for American Watches

Elgin
Size
Part Number
Material
Price
37s 4457 Steel $12.00
22s 4935

Steel

Out of Stock
18s 1956 Steel Out of Stock
18s 6085 Alloy Out of Stock
18s 812 Steel Out of Stock
18s 812 Alloy $20.00
16s 6164 Alloy $20.00
16s 2542 Steel $10.00
16s 6080 Alloy $20.00
16s 817 Alloy Out of stock
12s 1712 Steel Out of stock
12s 2339 Steel $10.00
12s 6093 Alloy $15.00
12s 2874 Steel $10.00
10s 5726 Steel $10.00
10s 6001 Alloy $15.00
6s 824 Steel $8.00
6s 824 Alloy $12.00
0s 825 Alloy $10.00
0s 825 Steel $8.00
0s 1713 Steel $8.00
0s - 3/0s 2097 Steel $8.00
0s - 3/0s 6095 Alloy Out of Stock
4/0s 6096 Alloy $10.00
4/0s 4789 Steel $8.00
5/0s 2705 Steel $8.00
6/0s 2890 Steel $8.00
6/0s 6098 Alloy $10.00
10/0s - 16/0s - 18/0s 1957 Steel $8.00
10/0s - 16/0s - 18/0s 6099 Alloy $10.00
8/0s 6002 Alloy $10.00
8/0s 5219 Steel $8.00
15/0s 5550 Steel $8.00
15/0s 6003 Alloy $10.00
20/0s 5015 Steel $8.00
20/0s 6100 Alloy $10.00
21/0s 6246 Alloy $10.00
21/0s 6004 Alloy $10.00
21/0s 5327 Steel $8.00
21/0s 6005 Alloy $10.00
26/0s 5131 Steel $8.00
26/0s 6101 Alloy $10.00
Series 660 6330 Alloy $10.00
Grade 607 Automatic 6329 Alloy $10.00
FF 120 123 6702 Alloy $10.00
AS 1194 6703 Alloy $10.00
ETA 6704 Alloy $10.00
FF 60, AS 1173 6705 Alloy $10.00
? 6710 Alloy $10.00
Hamilton
Size
Part Number
Material
Price
18s 14 Steel Out of Stock
18s 15 Alloy $22.00
18s 232 Steel Out of Stock
18s 232 Alloy Out of Stock
16s 317 Steel $10.00
16s 317 Alloy $18.00
16s 318 Steel $10.00
16s 318 Alloy $18.00
16s 534 Steel $10.00
16s 534 Alloy $18.00
16s 534B Steel $10.00
16s 534B Alloy Out of Stock
12s 1228 or 3028 Steel $10.00
10s 6021 Steel $10.00
10s 717102 Dynavar $15.00
6/0s 1721 or 1921 Steel $8.00
6/0s 2321 Steel $8.00
6/0s 2521 Steel $8.00
6/0s 2621 Steel $8.00
6/0s 717201 Dynavar $10.00
6/0s 717202 Dynavar $10.00
8/0s 7221 Steel $8.00
8/0s 717271 Dynavar $10.00
8/0s 717272 Dynavar $10.00
12/0s 4128 Steel $8.00
12/0s 717270 Dynavar $10.00
14/0s 5021 Steel $8.00
14/0s 717441 Dynavar $10.00
18/0s 2721 Steel $8.00
20/0s, 21/0s 2921 Steel $8.00
20/0s, 21/0s 2921 Alloy $10.00
20/0s, 21/0s 7421 Steel $8.00
20/0s, 21/0s 717570 Dynavar $10.00
20/0s, 21/0s 717571 Dynavar $10.00
22/0s 6221 Steel $8.00
22/0s 717601 Dynavar $10.00
Hampden
Size
Part Number
Material
Price
18s 1696 Alloy Out of stock
16s 2696 Alloy $20.00
16s 3696 Alloy Out of Stock
16s 4697 Steel $10.00
16s 4697 Alloy Out of Stock
12s 6696 Steel $10.00
6s 8696 Steel $10.00
3/0s 9696 Steel $8.00
8/0s 15696 Steel $8.00
11/0s 11696 Steel $8.00
Howard
Size
Part Number
Material
Price
16s 328 Steel Out of stock
16s 329 Steel Out of stock
16s 528 Steel $10.00
12s 552 Steel $10.00
12s 553 Steel $10.00
10s 796 Steel $10.00
Illinois
Size
Part Number
Material
Price
18s 47301 Steel Out of stock
18s 47302 Alloy Out of stock
18s 47303 Alloy $20.00
16s 47309 Alloy $20.00
16s 47309 Steel $10.00
16s 47313 Steel $10.00
16s 47314 Steel $10.00
16s 47315 Alloy $20.00
16s 47317 Alloy $20.00
16s 47317 Steel $10.00
16s 47326 Steel $10.00
16s 47327 Steel $10.00
16s 47333 Steel Out of stock
14/16s 47334 Steel $10.00
14/16s 47334 Alloy $20.00
12/13s 47336 Steel $10.00
12/13s 47337 Steel $10.00
12s 47343 Steel $10.00
12s 47344 Steel $10.00
12s 47349 Steel $10.00
6s - 4s 47353 Steel $10.00
0s - 3/0s 47359 Steel $8.00
6/0s OF 47364 Steel $8.00
6/0s OF 47365 Steel $8.00
6/0s Htg. 47370 Steel $8.00
6/0s Htg. 47371 Steel $8.00
12/0s 47376 Steel $8.00
18/0s 47380 Steel $8.00
18/0s 47383 Steel $8.00
18/0s 47384 Steel $8.00
18/0s 47385 Steel $8.00
21/0s 47387 Steel $8.00
21/0s 47388 Steel $8.00
21/0s 47389 Steel $8.00
Ingersoll
Size
Part Number
Material
Price
16s Ingersoll Trenton 365 Steel Out of stock
16s Reliance 2365 Steel $10.00
12s Waterbury 316 Steel $10.00
6/0s Alden 1939 Steel $8.00
New York Standard
Size
Part Number
Material
Price
16s 752 Steel $10.00
16s 4144 Steel $10.00
12s 4144 Steel $10.00
10s 7080 Steel $10.00
6s 5134 Steel Out of stock
3/0s 2041 Steel $8.00
Rockford
Size
Part Number
Material
Price
18s 644 Alloy Out of Stock
16s 822 Alloy $20.00
12s 932 Alloy $15.00
Seth Thomas
Size
Part Number
Material
Price
18s 536 Steel $10.00
18s 536 Alloy $20.00
18s 729 Alloy $20.00
18s 828 Steel $10.00
South Bend
Size
Part Number
Material
Price
18s 19528 Alloy $20.00
16s 17528 Steel $10.00
16s 27528 Alloy $15.00
16s 27528 Steel $10.00
12s 55528 Steel $10.00
Waltham
Size
Part Number
Material
Price
8-Day 2232 Steel Out of stock
18s 2202 Alloy $20.00
18s 2203 Alloy $20.00
18s 2203 Steel Out of stock
18s 2204 Alloy Out of stock
18s 2204 Steel Out of stock
18s 2205 Alloy Out of stock
18s 2222 Alloy Out of stock
18s 2222 Steel $10.00
16s 2208 Steel $10.00
16s 2218 Steel $10.00
16s 2227 Steel Out of stock
16s 2227 Alloy $20.00
16s 2247 Steel $10.00
14s 2211 Steel $10.00
12s 2224 (Hook end) Steel $10.00
12s 2224A (Hole end) Steel $10.00
12s 2224A (Hole end) Alloy $15.00
12s Colonial A 2234 Steel $10.00
12s Colonial B 2237 Steel $10.00
Colonial C R.B. 2252 Steel $10.00
10s 2214 Steel $10.00
8s - 6s 2215 Steel $10.00
6s 2217 Steel $10.00
6s 2219 Steel Out of stock
0s - 1s 2216 Steel $8.00
0s 2220 Steel $8.00
0s 2220 Alloy $10.00
0s, 3/0s 2228 Steel $8.00
0s, 3/0s 2230 Steel $8.00
0s, 3/0s 2230 Alloy $10.00
00s 2221 Steel $8.00
6/0s, Jewel Series 2226 Steel $8.00
6/0 C 2248 Steel $8.00
6/0 2276 Steel $8.00
Jewel Series O.F. 2235 Steel $8.00
10 Ligne 2229 Steel $8.00
9 Ligne 2233 Steel $8.00
8 3/4 Ligne 2242 Steel $8.00
870 R. B. 2253 Steel $8.00
7 1/2 Ligne 2236 Steel $8.00
7 1/4 Ligne 2238 Steel $8.00
6 1/2 Ligne 2239 Steel $8.00
4 1/2 Ligne 2241 Steel $8.00
4 Ligne 2240 Steel $8.00
The '750' 2243 Steel $8.00
750 Model 2250 Steel $8.00
670 Series 2244 Steel $8.00
675 Model 2249 Steel $8.00
675 Model 2263 Alloy $10.00
678 Model 2251 Steel $8.00

Dennison to Metric Conversion for Width and Strength