| Calibre # | Calibre # | Calibre # |
| Pierce 103 | Pierce 160C | Pierce 516D |
| Pierce 103C | Pierce 160LC | Pierce 52 |
| Pierce 103K | Pierce 160SC | Pierce 53 |
| Pierce 103KS | Pierce 162 | Pierce 54 |
| Pierce 103SC | Pierce 165 | Pierce 54C |
| Pierce 105 | Pierce 1698 | Pierce 59 |
| Pierce 105SC | Pierce 1699 | Pierce 590 |
| Pierce 110 | Pierce 170 | Pierce 59D |
| Pierce 114 | Pierce 170C | Pierce 608 |
| Pierce 115 | Pierce 170LA | Pierce 608D |
| Pierce 12 | Pierce 170LC | Pierce 711 |
| Pierce 125 | Pierce 170SC | Pierce 72 |
| Pierce 130 | Pierce 175 | Pierce 80 |
| Pierce 132 | Pierce 177 | Pierce 812 |
| Pierce 132D | Pierce 40 | Pierce 812A |
| Pierce 134 | Pierce 40A | Pierce 82 |
| Pierce 134D | Pierce 40C | Pierce 84 |
| Pierce 135 | Pierce 43 | Pierce 86 |
| Pierce 135A | Pierce 44 | Pierce 861 |
| Pierce 156 | Pierce 50A | Pierce 861SC |
| Pierce 160 | Pierce 516 | |
Pierce Watch Mainspring NOS
