| Beschriftung Zifferblatt / Marking Dial | Gruen Curvex Precision |
|---|---|
| Uhrwerk / Caliber | 440 |
| Modellnummer / Style Number | 577 |
| Modellname / Model Name | ‚Constellation‘ |
| Baujahr / Year | 1947 |
| Gruen Watch Catalogue No. | Gruen Strap 550 |
| Copyrights Photos | photographs courtesy of vintage_hamilton (http://www.ebay.com/sch/vintage_hamilton/m.html?) |
