| Beschriftung Zifferblatt / Marking Dial | |
|---|---|
| Uhrwerk / Caliber | |
| Modellnummer / Style Number | |
| Baujahr / Year | |
| Gruen Watch Catalogue No. | Gruen Strap 578 (material and shape of case identical, dial different) |
| Copyrights Photos | photographs courtesy of Antique Watch Company (www.antiquewatchco.com) |
