Photo by Jan Irmscher for Glashütter Uhrenbetrieb GmbH (CC BY-SA 4.0), via Wikimedia Commons · CC-BY-SA-4.0
Glashütte Original
Senator Tourbillon Edition Alfred Helwig
Ref. 1-94-03-05-04-30
· 42mm · caliber Glashütte Original Cal. 94-03: in-house automatic, 48h PR; flying tourbillon of the kind Alfred Helwig taught at the Glashütte watchmaking school from 1920, carried on a cantilevered bridge with no upper cock
Live pricing is coming soon. Get notified when it is available for this reference.
Movement tier: unclassified
Medium-large: suits wrists 6.5 in+ (16.5 cm+)
42 mm case. Wears confidently on average to larger wrists. May overhang on slender builds.
Not yet rated
Community + OSINT signals haven’t landed for this reference yet. We don’t publish a rating against zero signal: the number would mean nothing. Editorial body + caliber + market value still surface above; ratings appear once the signal corpus does.
Search pre-owned listings
Authentication
An edition of 25. At that volume the brand can account for every example, so the first call is to Glashütte Original rather than to a loupe.
Known issues in the market
- Two Glashütte Original tourbillons carry Alfred Helwig’s name and they are different watches. This one is 42mm in white gold with the tourbillon on the dial side under a Panorama Date. The Alfred Helwig Tourbillon 1920 is 40mm in rose gold and keeps its tourbillon on the movement side, where the dial reads only "Tourbillon" in the seconds register.
- A flying tourbillon has no upper bridge. If there is a cock or bridge arching over the cage, it is not a flying tourbillon and not this watch.
- Edition numbering belongs on the dial. A watch of this kind arriving without papers is a question for the brand before it is a question of price.
| Area | What to check | What is correct | Red flag |
|---|---|---|---|
| dial | Tourbillon cage mounting | The cage is cantilevered from below with nothing crossing it. Alfred Helwig taught this construction at the Glashütte watchmaking school from 1920, which is what the edition commemorates | A bridge or cock spanning the cage, which is a conventional tourbillon |
| dial | Panorama Date at 12 | Two digits level on a single plane with no dividing bar between the discs | A visible divider, or digits at different heights |
| dial | Edition numbering | Numbered within a run of 25, matching the papers | No number, or one above 25 |
| case | Size and metal | 42mm in white gold | A 40mm rose gold case, which is the Alfred Helwig Tourbillon 1920, a different reference entirely |
Common legitimate replacements
- Nothing should have been replaced on a watch this rare. Anything that has been is a direct question for the brand.
- A tourbillon of this construction is serviced by Glashütte Original, not by a general watchmaker.
Expert resources: Glashütte Original publishes the reference on its own site, and Monochrome covered the edition at launch. With 25 pieces made, the brand can confirm a serial and its history, which settles the question more definitively than any external check.
