ROLEX REF 6309 THUNDERBIRD RED DATEJUST PINK GOLD Rolex, "Oyster Perpetual, DateJust, Superlative Chronometer Officially Certified", Ref. 6309, case No.141385. Made in 1955. Fine and rare, tonneau-shaped, center seconds, self-winding, water-resistant, 18K
ROLEX REF. 6309 DATEJUST THUNDERBIRD YELLOW GOLD Rolex, "Oyster Perpetual, Datejust, Superlative Chronometer, Officially Certified," case No. XX8455 (partially erased), Ref. 6309. Made in the late 1950's. Fine and rare, center seconds,