Ref. 6050, So-Called 'Bubble-Back' Rolex, 'Oyster Perpetual, Officially Certified, Chronometer', with 'Super- Oyster' winding crown, Ref. 6050. Case No. 704326. Made in 1950. Fine and rare, tonneau-shaped, center seconds, selfwinding, 18K yellow
Rolex Oyster Perpetual 6050 Bubbleback - NIC Watches
Rolex Oyster Perpetual Bubble Back 6050 | Watch Rapport
Rolex 6050 Bubbleback 6050 SS (21185) | European Watch Co.