Illinois Watch Mainsprings

18 Size, factory # 47303, width in mm 2.9, strength in mm 0.22, length inches 21-1/2, end T Swiss Made White Alloy Mainspring

JA-404

 

16 Size, factory # 47309 Width in mm 3 in Dennison 21 Strength in mm 0.155 in Dennison 6 3/4 Length inches 27, end D.B. Listed in The E. & J. Swigart 1952 Illustrated Manual of American Watch Movements this mainspring is list for all 60 hour models as well as all 13th, 14th and 15th models. Swiss Made White Alloy Mainspring

JA-406

 

Size 16, factory # 47315, 4th thru 9th Models with small barrel .744" diameter. Spring Width in mm 2.7, strength in mm 0.185, length inches 20-1/2, end T-BRACE Swiss Made White Alloy Mainspring

JA-410

 

Size 16, factory # 47317, 4th thru 9th Models with small barrel .744" diameter. Spring Width in mm 2.7, strength in mm 0.21, length inches 20-1/2, end T-BRACE Swiss Made White Alloy Mainspring

JA-412

 

Size 16 Bunn Special, factory # 47326/47327 Width in mm 2.7 in Dennison 18 Strength in mm 0.175 in Dennison 5 1/2, length inches 22-1/2, Motor Barrel. For all 11th and 12th and models except for the 60 hour version, which use the spring number JA-406. Also the Sangamo Special Model 10s which has a Motor Barrel takes this JA-415 Mainspring. Swiss Made White Alloy Mainspring

JA-415

 

Size 16, factory # 47331, for 10th Model Sangamo Special. Extra thin, width in mm 2.7, strength in mm 0.175, length inches 22-1/2, end D.B. Swiss Made White Alloy Mainspring

JA-416

 

Size 16, factory # 47333, for 4th & 5th model with thick barrel. Spring width in mm 2.9, strength in mm 0.2, length inches 20-1/2, end T Swiss Made White Alloy Mainspring

JA-419

 

For 14 and 16 Size, factory # 47334, thin barrel .150". Spring width in mm is 2.5, strength in mm 0.21, length in inches is 20, with end T Also this is the replacement mainspring for the Waltham 14 size 2211 mainspring. Swiss Made White Alloy Mainspring

JA-421

 

0 Size & 3/0 Size, factory # 47358, width in mm 1.7, strength in mm 0.13, length inches 13, end T Swiss Made White Alloy Mainspring

JA-428

 

Size 6/0, 4th to 6th models hunting case factory # 47371, width in mm 1.4, strength in mm 0.11, length inches 12.5, end T-BRACE Swiss Made White Alloy Mainspring

JA-434

 

Size 18/0, factory # 47383, width in mm 1.2, strength in mm 0.09, length inches 10.5, end T-BRACE Swiss Made White Alloy Mainspring

JA-436

 

Size 12, 1st to 4th models factory # 47344. Spring width in mm 2, strength in mm 0.18, length inches 18-1/2, end T-BRACE Swiss Made White Alloy Mainspring

JA-425

 

Size 18, factory # 47302, For 1st, 2nd, 3rd, 4th, 5th and 6th models. Width in mm 2.9, strength in mm 0.21, length inches 21-1/2, end T Swiss Made White Alloy Mainspring

JA-402
Discontinued. Use JA-404

Size 12, factory # 47343, width in mm 2, strength in mm 17, length inches 18-1/2, end T-BRACE. Discontinued, please use JA-425.

JA-423
Discontinued

For 16 Size 4th to 9th models with small barrel .744" diameter at the teeth. Width 2.70 mm, Thickness 0.17 mm, Length 20 1/2 inches

ILLINOIS-47313

 

Quantity	1 - 2	3+
Price	$15.00	$12.00

For 16 Size 4th to 9th models with small barrel .744" diameter at the teeth. Width 2.70 mm, Thickness 0.18 mm, Length 20 1/2 inches

ILLINOIS-47314

 

Quantity	1 - 2	3+
Price	$15.00	$12.00

For 16 Size 4th to 9th models with small barrel .744" diameter at the teeth. Width 2.70 mm, Thickness 0.185 mm, Length 20 1/2 inches

ILLINOIS-47315

 

Quantity	1 - 2	3+
Price	$15.00	$12.00

For 16 Size 4th to 9th models with small barrel .744" diameter at the teeth. Width 2.70 mm, Thickness 0.19 mm, Length 20 1/2 inches

ILLINOIS-47316

 

Quantity	1 - 2	3+
Price	$15.00	$12.00

For 16 Size 4th to 9th models with small barrel .744" diameter at the teeth. Width 2.70 mm, Thickness 0.20 mm, Length 20 1/2 inches

ILLINOIS-47317

 

Quantity	1 - 2	3+
Price	$15.00	$12.00

For all Bunn Special Motor Barrel Movements except 60 Hour movements Width 2.70 mm, Thickness 0.175 mm, Length 22 1/2 inches

ILLINOIS-47327

 

Quantity	1 - 2	3+
Price	$15.00	$12.00

For all Bunn Special Motor Barrel Movements except 60 Hour movements Width 2.70 mm, Thickness 0.175 mm, Length 22 1/2 inches

ILLINOIS-47327-BLUE

 

Quantity	1 - 2	3+
Price	$8.00	$6.00

10th model Sangamo Special Width 2.70 mm, Thickness 0.175 mm, Length 22 1/2 inches

ILLINOIS-47331

 

Quantity	1 - 2	3+
Price	$18.00	$12.95

16 Size 4th & 5th Model with Thick Barrel .150 inch Width 2.90 mm, Thickness 0.20 mm, Length 20 1/2 inches

ILLINOIS-47333

 

Quantity	1 - 2	3+
Price	$15.00	$12.00

12 Size 1st to 4th Models Width 1.99 mm, Thickness 0.16 mm, Length 18 1/2 inches

ILLINOIS-47342

 

Quantity	1 - 2	3+
Price	$15.00	$12.00

For all 60 Hour 16 Size Illinois Movements. Width 3.00 mm, Thickness 0.165 mm, Length 27 inches

ILLINOIS-47310-BLUE

 

Quantity	1 - 2	3+
Price	$8.00	$6.00

For 16 Size 6th to 9th models with large barrel .762" diameter at the teeth. Width 2.70 mm, Thickness 0.17 mm, Length 22 1/2 inches

ILLINOIS-47320-BLUE

 

Quantity	1 - 2	3+
Price	$8.00	$6.00

For all Bunn Special Motor Barrel Movements except 60 Hour movements Width 2.70 mm, Thickness 0.17 mm, Length 22 1/2 inches

ILLINOIS-47326-BLUE

 

Quantity	1 - 2	3+
Price	$8.00	$6.00

16 Size 10th model Sangamo Special Width 2.70 mm, Thickness 0.17 mm, Length 22 1/2 inches

ILLINOIS-47330-BLUE

 

Quantity	1 - 2	3+
Price	$8.00	$6.00

16 Size 4th & 5th Model with Thick Barrel .150 inch Width 2.90 mm, Thickness 0.20 mm, Length 20 1/2 inches

ILLINOIS-47333-BLUE

 

Quantity	1 - 2	3+
Price	$8.00	$6.00

14 & 16 Size 1st, 2nd & 3rd Models with Thin Barrel .138 inch Width 2.50 mm, Thickness 0.21 mm, Length 20 inches

ILLINOIS-47334-BLUE

 

Quantity	1 - 2	3+
Price	$8.00	$6.00

For 12 Size Motor Barrel Movements 5th and 6th models. Width 1.99 mm, Thickness 0.15 mm, Length 18 1/2 inches

ILLINOIS-47349-BLUE

 

Quantity	1 - 2	3+
Price	$8.00	$6.00