840 S190 Coil Balance Spring

3 Lb Series 145 Balance Spring

6 Lb Series 145 Balance Spring

9 Lb Series 152 Coil Balance

8 Lb Series 152 Coil Balance

8 Lbs Series 180 Coil Balance

4 Lb Series 150 Coil Balance

3.5 Lbs Series 160 Coil Balance

6 Lb Series 152 Coil Balance

11.5 Lbs Series 159 Coil Balance

3 Lb Series 165 Egress Coil Balance

4 Lb Series 165 Egress Coil Balance

3.5 Lbs Titan Series 195 Coil Balance

3 Lbs Series 180 Coil Balance