| Manufacturer | PTS Resources Ltd. |
| Caliber Number | LTTR001, PTS-LTTR001, PTS-LTTR001G |
| Movement Type | Automatic, self-winding mechanical |
| Diameter | 30.4mm |
| Height | 5.25 |
| Jewel Count | 20 |
| Beat Rate | 21,600 vph |
| Lift Angle | Unconfirmed |
| Accuracy Rating | +/- 45 sec/day |
| Power Reserve | ~36 hours |
| Hand-Windable? | Yes |
| Hand Count | 3 |
| Functions | Central hours; central minutes; central sweeping seconds; open balance wheel at 12:00 |
| Hacking Seconds? | No |
| Country of Manufacture | Made in China |
| Known Models | Lucien Piccard Optima (Ref: LP-12524-01, LP-12524-01-RA, LP-12524-02-RA, LP-12524-02), Brooklyn Pierrepont Skeleton Automatic (Add your watch to the comments below…) |
The PTS Resources caliber LTTR001 is a 3-hander automatic with a skeletonized open balance wheel at 12:00, designed to be a faux tourbillon – or “imitate tourbillon” as PTS calls it.
PTS-LTTR001 VS LTTR001G:
There is a similar caliber LTTR001G with the only difference being that the “G” movement is gold tone.
Examples of watches with this caliber:
Additional Resources:
network of watch sites
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