| Beschriftung Zifferblatt / Marking Dial | Gruen |
|---|---|
| Uhrwerk / Caliber | 157 |
| Modellnummer / Style Number | 8 |
| Baujahr / Year | 1920s |
| Gruen Watch Catalogue No. | Gruen Quadron 82 |
| Copyrights Photos | photographs courtesy of timerestoration (http://www.ebay.com/sch/timerestoration/m.html?) |
