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Staff Measurements ExplanationA = Overall Height (Length)B = Distance from Roller Seat to PivotF = Hairspring Collect HoleG = Balance Arm HoleH = Roller Hole |
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$25.00 22BB58B Hamilton Balance Staff, old numbers 659 & 607048
Also for Hamilton Grade 23 Chronograph Pocket Watch.
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Hamilton Staff 127 Single Roller Small Collet $40.00 22BB52 18 Size Factory Staff Number 127, Grades 924, 925, 926, 927, 928, 929, 930, 931, 932, 933, 934, 935, 936, 937, 938, 939, 940, 941, 948. Hamliton Grade 940 was made with single roller before serial number 512201 and a double roller after serial number 512200. Description: Single Roller Small Collet, Small Collect Hole size is approximately 0.77 to 0.78 mm, Pivot 11 
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Hamilton Staff 127 Single Roller Large Collet $25.00 22BB53 18 Size Factory Staff Number 127, Grades 924, 925, 926, 927, 928, 929, 930, 931, 932, 933, 934, 935, 936, 937, 938, 939, 940, 941, 948. Hamliton Grade 940 was made with single roller before serial number 512201 and a double roller after serial number 512200. Description: Single Roller Large Collet,Large Collect Hole size is approximately 0.98 mm, Pivot 10
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Hamilton Staff 126 Double Roller Small Collet $20.00 22BB54 18 Size Factory Staff Number 126, Grades 936, 937, 938, 939, 940, 941, 942, 943, 944, 946, 948. Hamliton Grade 940 was made with single roller before serial number 512201 and a double roller after serial number 512200. Description: Double Roller Small Collet, Small Collect Hole size is approximately 0.77 to 0.78 mm, Pivot 11
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Hamilton Staff 126 Double Roller Large Collet, Pivot 10 $20.00 22BB55 18 Size Factory Staff Number 126, Grades 936, 937, 938, 939, 941, 942, 943, 944, 946, 948. Hamliton Grade 940 was made with single roller before serial number 512201 and a double roller after serial number 512200. Description: Double Roller Large Collet, Large Collect Hole size is approximately 0.98 mm, Pivot 10
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Hamilton Staff 434 Double Roller Small Collet, $25.00 22BB57 16 Size Factory Staff Number 434, Grades 950, 952, 996 Description: Double Roller Small Collet, Pivot 11
Grades 956, 964, 965, 969, 976 and 977 were fitted with Single Roller Staff 435 up to No. 2477000 and Double Roller Staff # 434 after 2477000. Grades 974 and 978 were fitted with Single Roller Staff #435 up to No. 2490000 and with Double Roller Staff # 434 after Serial No. 2490001. The small collect version of the 434 Double Roller staff is the more popular version. For Model 972 with serial numbers after 748000. Hamilton 16 size Grade 992 after serial number 379301 was fitted with the Factory Staff Number 434. Grade 992 Serial numbers before 377000 have single roller staff #435. Grade 993 after serial number 367800 takes Double roller staff #434. Hamilton Staff 434 double roller also in the follow grades 960, 961, 970, 971, 990, 991, 992, 993, 994 these grades also came with single roller version with the 435 staff. Small Collect Hole size is approximately 0.77 to 0.78 mm. |
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Hamilton Staff 434 Double Roller Large Collet $20.00 22BB58 16 Size Factory Staff Number 434, Grades 950, 952, 996 Description: Double Roller Large Collet, Pivot 10
Grades 956, 964, 965, 969, 976 and 977 were fitted with Single Roller Staff 435 up to No. 2477000 and Double Roller Staff # 434 after 2477000. Grades 974 and 978 were fitted with Single Roller Staff #435 up to No. 2490000 and with Double Roller Staff # 434 after Serial No. 2490001. The small collect version of the 434 Double Roller staff is the more popular version. Hamilton 16 size Grade 992 after serial number 379301 was fitted with the Factory Staff Number 434. Grade 992 Serial numbers before 377000 have single roller staff #435. Grade 993 after serial number 367800 takes Double roller staff #434. Hamilton Staff 434 double roller also in the follow grades 960, 961, 970, 971, 990, 991, 992, 993, 994 these grades also came with single roller version with the 435 staff. Large Collect Hole size is approximately 0.99 mm. |
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Hamilton Staff 435 Single Roller Small Collet, $45.00 22BB56 16 Size Factory Staff Number 435, Model Grades 956, 964, 965 968, 969, 974, 975, 976, 977, 978, Description: Single Roller Small Collet, Pivot 11
Grade 972 fitted with staff 435 Single Roller before # 748001 and after # 748000 Double Roller Staff #435. Grades 956, 964, 965, 969, 976 and 977 were fitted with Single Roller Staff 435 up to No. 2477000 and Double Roller Staff # 434 after 2477000. Grades 974 and 978 were fitted with Single Roller Staff # 435 up to No. 2490000 and with Double Roller Staff # 434 after Serial No. 2490001. The small collect version of the 434 Double Roller staff is the more popular version. Grades 963, 967, 973, 966, 954, 964 also used this staff. Hamilton Staff 435 single roller also in the follow grades 960, 961, 970, 971, 990, 991, 992, 993, 994 these grades made with double roller version with the 434 staff.Small Collect Hole size is approximately 0.77 to 0.78 mm.
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Hamilton Staff 435 Single Roller Large Collet, $45.00 22BB56LC 16 Size Factory Staff Number 435, Model Grades 956, 964, 965 968, 969, 974, 975, 976, 977, 978, Description: Single Roller Large Collet, Pivot 11
Large Collect Hole size is approximately 1.00 mm.
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$20.00 22BB58A 16 Size Factory Model Number, Description: 603, Elinvar 992E, 950E, Pivot 11
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Hamilton Staff 1250 Single Roller Type $20.00 22BB59 12 Size, Grades 920, 900, 914, 910 with Serial numbers 1,902701 to 1,902,800 SINGLE ROLLER STAFF was used. The Hamilton factory Number is 1250, Description: Single Roller Type, Pivot 9
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$25.00 HAM-37112 Hamilton 35 Chronometer Model 22 Watch Staff
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Hamilton Staff 22BB #60 $20.00 22BB60 12 Size, Grades 920, 900, 914, 910 serial numbers 1.902,601 to 1,902,700 used the Double Roller Staff Factory Part Number1250A. In watches above serial number 1,902,801 Double Roller staff 1250A, 22BB60 is used. Description: Double Roller Long, Pivot 9
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$20.00 22BB70 Hard to find Hamilton 14/0 size staff for models 980, 980A, 980B, 982, 982M
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Hamilton Balance Staff 3050
22BB61
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22BB#73B
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22BB62
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22BB64
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Hamilton Balance Staff 1927
22BB65
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Hamilton Balance Staff 1927A
22BB66
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Hamilton Balance Staff 2327
22BB67
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Hamilton Balance Staff 2527
22BB68
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22BB68A
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22BB#69
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Hamilton Balance Staff 2727
22BB#71
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22BB#72
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22BB#73
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22BB#73A
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 The Elgin-Hamilton 8-day Elapsed Time Clock AN-5741-1 Hamilton H37500 and Elgin 37500 |
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$15.00 HAM-614100
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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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