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.
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From Glashutte Original:
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