| Brand | Romain Jerome |
| Caliber Number | RJ004-M |
| Movement Type | Mechanical, manual wind |
| Jewels | 21 |
| Power Reserve | 48 hours |
| Vibrations Per Hour | 28,800 bph |
| Hacking? | (please add to comments below) |
| Features | Central hours and minutes, small seconds at 9:00 |
| Country of Manufacture | Switzerland |
| Known Models | RJ-Romain Jerome Skylab |
This Romain Jerome caliber RJ004-M was found in a PVD “Speed” version of the Skylab reference RJ.M.AU.025.01. Photo taken at Baselworld. Also found in Skylab Heavy Metal (RJ.M.AU.023.01) and Skylab Red (RJ.M.AU.028.01).
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