Waltham 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

18 Size Factory #1703A, 1892 Model also Factory #28210, Description: Vanguard, Royal and Riverside Grades all use this staff, plus 8 day auto clock. Single Roller, Pivot 11, Long Waist This is the 6 mm length version of the 18 size Model 92 staff. Dimension: A 6.00 mm, B 3.45 mm, F 0.92 mm, G 1.23 mm, H 0.61 mm

22BB#28
$40.00
 

18 Size Factory #1703, 1892 Model, Description: Vanguard, Royal and Riverside Grades all use this staff. Single Roller, Pivot 11, Short Waist This is the 5.69 mm length short version of the 18 size Model 92 staff. Dimension: A 5.69 mm, B 3.15 mm, F 0.92 mm, G 1.25 mm, H 0.62 mm

22BB#29
$25.00
 

18 Size for 1883 Model Factory Staff Number 1365, Description: Regular, Small Waist 1.80 mm diameter*, Pivot 12 Also same as Factory #987 used in 18 size 1877 and 1897 models Dimension: A 5.84 mm, B 3.5 mm, F 0.91 mm, G 1.23 mm, H 0.61 mm *Small 1.80 mm waist for 18s 1883's with small hole balance wheels. 1883 Large hole balance wheels take staff 1364 with a 2.00 waist.

22BB#31
$30.00
 

Quantity	1 - 2	3+
Price	$30.00	$25.00

Waltham 18 Size Balance Staff for the Waltham 1883 Model Watch with the #1378 Balance Wheel with Large Hole. The Waltham Factory Balance Staff Number is 1364 Large Waist 2 mm diameter at end, Waist refers to the diameter of the hole in center of balance wheel., Pivot 12 Also same staff as Waltham Balance Staff Factory # 986 used in 18 size Waltham 1877 and Waltham 1897 models. Dimension: A 5.85 mm, B 3.5 mm, F 0.92 mm, G 1.25 mm, H 0.62 mm Waltham Balance Wheel's 1376 and 1377 have a smaller hole and take the small waist 1.80 mm staff Waltham Staff 1365 22BB#31

22BB#30
$50.00
 

Just Found! 18 Size 1857 Factory #280, This is one of the 5 different staffs for the Waltham 1857 models, also known as the American Watch Company Series "A" movement. Description: Sprung Over, For Steel and Gold Balance Wheels, Broadway Grade, P.S.B. Grade, A.T. & Co. Grade.

WALT-280-STAFF
$30.00
 

Just Found! 18 Size 1857 Factory #281, This is one of the 5 different staffs for the Waltham 1857 models, also known as the American Watch Company Series "A" movement. Description: Sprung Over, For Expansion Balance Wheels, Broadway Grade, P.S.B. Grade, A.T. & Co. Grade.

WALT-281-STAFF
$30.00
 

Just Found! 18 Size 1857 Factory #277, This is one of the 5 different staffs for the Waltham 1857 models, also known as the American Watch Company Series "A" movement. Description: Short Waist Sprung Over, For Steel Balance Wheels, P.S.B. Grade, A.T. & Co. Grade.

WALT-277-STAFF
$30.00
 

Just Found! 18 Size 1857 Factory #278, This is one of the 5 different staffs for the Waltham 1857 models, also known as the American Watch Company Series "A" movement. Description: Short Waist Sprung Under, For Gold Balance Wheels, P.S.B. Grade, A.T. & Co. Grade.

WALT-278-STAFF
$30.00
 

Just Found! 18 Size 1857 Factory #279, This is one of the 5 different staffs for the Waltham 1857 models, also known as the American Watch Company Series "A" movement. Description: Long Waist Sprung Under, For Nickel Balance Wheels, P.S.B. Grade, A.T. & Co. Grade.

WALT-279-STAFF
$30.00
 

For 16 Size 1899, 1908 and 1944, 1945, 1947 Models "A", Factory Staff Number 4861, Description:Detachable Taper Shoulder, Regular, Pivot 12. One of two staffs used on these 1899 and 1908 models, the other staff is the 4860. Dimension: A 5.41 mm, B 2.68 mm, F 0.94 mm, G 0.92 mm, H 0.61 mm

22BB#32
$26.00
 

For 16 Size 1899 and 1908 Models, Factory Staff Number 4860, Description: Patent Detachable Straight Shoulder, Square Hub, Pivot 12. One of two staffs used on these 1899 and 1908 models, the other staff is the 4861 taper shoulder detachable balance staff. Dimension: A 5.42 mm, B 2.43 mm, F 0.94 mm, G 0.92 mm, H 0.62 mm We have report from a customer that this is the staff for the Waltham 14 size model 1904 that does not appear in any American parts catalog produced by the Waltham Watch Company.

22BB#33
$22.00
 

16 Size Model 1888 and 14 Size Model 1895 Factory Staff Number 2844, Description: Old, Pivot 12 Dimension: A 6.10 mm, B 3.85 mm, F 0.98 mm, G 1.30 mm, H 0.64 mm

22BB#34
$18.00
 

16 Size 1872 Model, Description: Small Shoulder ("G" 1.25 mm), Large Waist (Waltham Waist is called Hub to others, diameter not listed in drawing, however the large waist hub is 2.0 mm while the small waist found on the same hub versions 4252 and 4254 staffs measure 1.80 mm Dimension: A 6.09 mm, B 3.10 mm, F 0.92 mm, G 1.25 mm, H 0.62 mm

WALT-4251
$20.00
 

16 Size 1872 Model, Description: Large Shoulder ("G" 1.31 mm), Large Waist (Hub 2.00 mm) Dimension: A 6.09 mm, B 3.10 mm, F 0.92 mm, G 1.31 mm, H 0.62 mm The 16 size 1872 model used four different staffs: 4251, 4252, 4253 and 4254 4251 is small shoulder with large waist 4252 is small shoulder with small waist 4253 is large shoulder with large waist 4254 is large shoulder with small waist Only 4251 and 4253 and still available if the others are needed you can turn either the 4251 or 4253 down to size on your lathe.

WALT-4253
$20.00
 

14 Size 1874 and 1884 Model Factory Staff Number 7355, Description: Waltham Staff 7355 is the Small 1.60 mm Waist version. Large Waist version for the large hole balance wheel takes balance staff 7354 which is no longer available. Dimension: A 6.25 mm, B 3.45 mm, F 0.92 mm, G 1.25 mm, H 0.62 mm, Pivot 12

22BB#35
$22.00
 

12 Size 1894 Model Factory Staff Number 8143, Description: Taper Shoulder Detachable Balance Staff, Regular, Pivot 10. This staff was one of two staffs used in 12 size model 1894 and 14 size model 1897-1898 Colonial Series. The other staff used in these models is the 8142. Dimension: A 4.52 mm, B 2.18 mm, F 0.69 mm, G 0.72 mm, H 0.55 mm

22BB#36
$25.00
 

12 Size 1924 Colonial B Model Factory Staff Number 7865, Description: Used with Hub, Pivot 10 Dimension: A 3.69 mm, B 1.85 mm, F 0.72 mm, G 0.72 mm, H 0.57 mm

22BB#38
$15.00
 

14 & 10 Size Colonial A Factory Staff Number 77677, Description: Pivot 10 Dimension: A 2.92 mm, B 1.25 mm, F 0.72 mm, G 0.72 mm, H 0.57 mm 14 Size first serial number of run 18,039,501 and the last was 24,577,000 10 Size first serial number of run 22,280,001 and the last was 26,297,000

22BB#39
$18.00
 

12 Size Factory Staff Number 8142 replaces old Waltham Staff number 13220, Description: Rivet, Pivot 10 This staff was one of two staffs used the Waltham 12 size model 1894 and Waltham 14 size model 1897-1898 Colonial Series. The other staff used in these models is the 8143 Taper shoulder detachable balance staff. This staff is also one of two staffs used in 6 size model 1890. The Waltham 13220 (now Waltham 8142) staff is for the small 1.0 mm hole balance number 13190. If you have a 6 size model 1890 that has the large 1.26 mm hole balance number 13189, then the staff you need is the Waltham 6 Size Staff 13219 order number 22BB42. Dimension: A: Height 4.57 mm, B:Distance from Roller seat to Pivot 2.41 mm, F: Hairspring Collect Hole 0.71 mm, G: Balance Arm Hole 1.00 mm, H: Roller Hole 0.55 mm,

22BB#37
$40.00
 

277, 78, 279, 163, 450A
4251, 4254, 450, 12317, 20208, 20207
26106, 27140, 3110, 19365 & 19369. For 13220 use 8142 22BB#37.