Cal. 1916 is a 19 ligne chronograph movement produced by Martel.
| Standard | 1/10 Second | |
| Monopusher | 1916 | 1916 F |
| Dual Pusher | 1916 D | 1916 FD |
This is a “lépine” pocketwatch movement, with the small seconds placed on the same axis as the winding crown. In a pocketwatch, this would place the small seconds at 6:00 with the winding crown at 12:00. The image above would show its placement in a wristwatch, with the winding crown at 3:00 and the small seconds at 9:00.