Glashutte Original Caliber GO-39 Perpetual Calendar

Glashutte Original Caliber GO 39-50

Glashutte Original Caliber GO-39 Perpetual Calendar

Brand Glashütte Original
Caliber Number GO 39-50
Base Caliber In-house
Movement Type Automatic
Jewels 48
Power Reserve 40 hours
Vibrations Per Hour 28,800
Balance Spring Flat
Shock System Incabloc
Regulator Swan neck
Functions Perpetual calendar
Country of Manufacture Germany
Known Models 39-50-14-22-04

This Glashutte Original caliber GO 39-50 was found in a Senator Perpetual Calendar watch with 48 jewels with a 21K gold rotor.

There are other variations of the caliber 39 including 39-22, 39-34, 39-59, 39-47, 39-52, and 39-58.

Additional Resources:

Venus Caliber 178

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