Caliber     ​	​Mechanical moment in g.mm	Dimensions s n mm
​AT01 version 1	​960-1010 at 0.5 turns	​1.45 x 0.111 x 650
AT01 version 2	890-940 at 0.5 turns	1.45 x 0.111 x 600
​AT02	​934 at 0.25 turns	​1.71x0.100x630
AT03	810 at 0.25 turns	​1.00x0.122x430
AT04	310 at 0.25 turns	​0.79x0.088x420

For any other caliber, please contact us so that we can design a spring tailored to your requirements.