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Pierce – mainsprings for all calibers
85 calibers with mainspring dimensions
Choose the caliber of your Pierce movement. The caliber page shows the mainspring dimensions and – if in stock – the matching mainspring from our shop.
Note: We have transcribed this information to the best of our knowledge from the Générale Ressorts mainspring catalogue (GR 2, 1974). All information has been carefully checked but is provided without guarantee. Please check yourself before fitting that the mainspring fits, in particular height, diameter, thickness and length.
⚙️ All calibers
Pierce 0–99
- 5 1/4" A
- 6 3/4" A
- 12
- 16 Size
- 16/14
- 16/24
- 18/14
- 18/15
- 40
- 40 A
- 40 C
- 43
- 44
- 50 A
- 50 C
- 50-5
- 52
- 53
- 54
- 54 C
- 59
- 59 D
- 72
- 80
- 80 A vis
- 80 Basc
- 82
- 84
- 86
Pierce 100–199
- 100
- 103
- 103 C
- 103 K
- 103 KS
- 103 SC
- 105
- 105 SC
- 110
- 110 10 1/2
- 114
- 115
- 125
- 130
- 130 chrono
- 130 Ord
- 132
- 132 D
- 134
- 134 D
- 135
- 135 A
- 156
- 160 C
- 160 LC
- 160 SC
- 160/18
- 160/22
- 162
- 165
- 170
- 170 ancien
- 170 C
- 170 LA
- 170 LC
- 170 SC
- 175
- 177
- 190/22
- 190/24
Pierce 500–599
Pierce 600–699
Pierce 700–799
Pierce 800–899
Pierce 1100–1199
Pierce 1600–1699
Pierce Other