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Help identifying vintage Rolex movement(1910~1920) - Watch Repairs Help & Advice - Watch Repair Talk
![Gruen Techni-Quadron Doctor's Watch] (circa 1930s) in working condition that has the same Aegler movement as Rolex Prince's of the time. Thought r/watches would appreciate! : r/Watches Gruen Techni-Quadron Doctor's Watch] (circa 1930s) in working condition that has the same Aegler movement as Rolex Prince's of the time. Thought r/watches would appreciate! : r/Watches](https://external-preview.redd.it/jX7A8O2Xq3alBaqMV3qJCmkWr29wri6BwdcDyzq556k.jpg?width=640&crop=smart&auto=webp&s=6f1268d1e900833d04e18e4f0cf5f12fa10f4628)
Gruen Techni-Quadron Doctor's Watch] (circa 1930s) in working condition that has the same Aegler movement as Rolex Prince's of the time. Thought r/watches would appreciate! : r/Watches
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