| Brand | Glashütte Original |
| Caliber Number | GO 90-01, GO 90-12 |
| In-House | Yes |
| Movement Type | Automatic |
| Dimensions | 32.6mm x 7mm thick |
| Jewels | 47 |
| Power Reserve | 42 hours |
| Vibrations Per Hour | 28,800, 4Hz |
| Balance Spring | Flat |
| Shock System | Incabloc |
| Regulator | Swan neck |
| Functions | Perpetual calendar |
| Country of Manufacture | Germany |
| Known Models | 90-02-05-02-04 |
Glashutte Original in-house caliber GO 90 has two variations. The GO 90-02 is found in the PanoMaticLunar and the GO 90-12 is found in the found in the ladies PanaMatic Luna. Both have 47 jewels with a 21K gold rotor. Please mention your experience with this movement in the comments below.
In Glashutte Original’s own words:
“Exquisitely finished movement, Glashütte three-quarter plate with stripe finish, skeletonized rotor (off-centre) with stripe finish, double-G logo and 21-carat gold oscillation weight, Duplex-swan-neck fine adjustment, screw balance with 18 weighted screws, balance bridge engraved by hand, blued screws, bevelled edges, polished steel parts.”
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