Otto Frei.
Quality Jewelry Supplies for Generations - Since 1930
Contact UsHome Search for Products About Us

Hamilton Balance Staffs

Staff Measurements Explanation
 A = Overall Height (Length)
B = Distance from Roller Seat to Pivot
F = Hairspring Collect Hole
G = Balance Arm Hole
H = Roller Hole
   
Balance Staff for Hamilton 4992B Part # 22BB58B
$25.00
22BB58B
Staff, balance old numbers 659 & 607048. 16 Size Factory Model Number, Description: 659, 992B-950B-4992B, Pivot 11
 

   

Hamilton Staff 127 Single Roller Small Collet
$25.00
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
 

   

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
 

   

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
 

   

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
 

   

Hamilton Staff 434 Double Roller Small Collet,
$20.00
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.
 

   

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.
 

   

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.
 

   
Hamilton Staff 603
$20.00
22BB58A
16 Size Factory Model Number, Description: 603, Elinvar 992E, 950E, Pivot 11
 

   

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
 

   

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
 

   
Hamilton Staff 22BB #70
$20.00
22BB70
Hard to find Hamilton 14/0 size staff for models 980, 980A, 980B, 982, 982M
 

   

Hamilton Balance Staff 3050

12 Size, Grades 902, 904, 912, 916, 918 and 922. Old Hamilton Factory Part Number 3050, New Hamilton # 608074. Description: Double Roller Short

22BB61
$20.00



   
Hamilton Balance Staff 7427

Factory Part Number 7427 for 21/0 Size Grade 750

22BB#73B
$20.00



   
Hamilton Balance Staff 3350

12 Size Factory Part Number 3350, for 12 Size Description: Thin

22BB62
$20.00



   
Hamilton Balance Staff 1727

Factory Part Number 1727 for 6/0 Size, Description: Single Roller

22BB64
$20.00



   

Hamilton Balance Staff 1927

Factory Part Number 1927 for 6/0 Size, Description: Single Roller

22BB65
$20.00



   

Hamilton Balance Staff 1927A

Factory Part Number 1927A for 6/0 Size, Description: Double Roller

22BB66
$20.00



   

Hamilton Balance Staff 2327

Factory Part Number 2327 for 6/0 Size, Description: Grade 986A

22BB67
$20.00



   

Hamilton Balance Staff 2527

Factory Part Number 2527 for 6/0 Size Grades 987, 987A, 987S, 979

22BB68
$30.00



   
Hamilton Balance Staff 7227

Factory Part Number 7227 for 8/0 Size Grades 747, 748

22BB68A
$15.00



   
Hamilton Balance Staff 4150

Factory Part Number 4150 for 12/0 Size Grade 401

22BB#69
$20.00



   

Hamilton Balance Staff 2727

Factory Part Number 2727 for 18/0 Size Grades 989, 989E

22BB#71
$20.00



   
Hamilton Balance Staff 2927

Factory Part Number 2927 for 20/0 and 21/0 Size Grades 997, 995, 995A

22BB#72
$15.00



   
Hamilton Balance Staff 3227

Factory Part Number 3227 for 21/0 Size Grade 721

22BB#73
$20.00



   
Hamilton Balance Staff 5027A

Factory Part Number 5027A for 22/0 Size Grades 911, 911M

22BB#73A
$20.00



 

The Elgin-Hamilton 8-day Elapsed Time Clock

Elapsed Time Clock R88-C573-11
AN-5741-1
Hamilton H37500 and Elgin 37500
   
Hamilton 10 SIze Stem Grades 917, 921, 923, 945
$15.00
HAM-614100
 


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


Home   |  About Us   |  Specials   |  Contact Us   |  Search

Click here to send email

For stock checks on watch parts not listed on the site please call the watch material department at 510-832-0355 ext 2., Monday to Friday 9 AM to 5 PM Pacific Standard Time Zone.
Stock Checks For Watch Movement & Watch Case Parts

Security/Privacy/Return Policy

United States
510.832.0355 EXT. 2
800.900.3734 (fax)

International
510.832.0355 EXT. 2
510.834.6217 (fax)