Wednesday, 10 December 2025

Rolex Big Bubbleback ref 6075 (1951-3)

The Rolex 6075 Big Bubbleback is a vintage Oyster Perpetual Date model, notable for its distinctive “bubbleback” case design and classic mid-century Rolex styling. 

The Rolex Big bubbleback series leading to the Datejust consists of the following 
Rolex ref 4467 (solid Gold from year 1945-1949)  
Rolex ref 5030 (Solid gold) , Bi colour steel and gold 5031, 5075, 6031 (from year 1949 - 1950),
Rolex ref 6075, 6074 (Bi colour from year 1950 - 1953)
Rolex 6104, 6105 (Bi colour modified A296,from year 1951 - 1953) 
Rolex 6304 , 6305, 6309 (Pre ThunderBird) (A296,from year 1953 - 1956)
Rolex Datejust 6604, 6605, 6609 (Thunderbird), 1600, 1601,1603, 1607, 1625 (Thunderbird) (from 1959 - 1977 onwards using Butterfly movement calibre generation features cal. 1065 and later cal. 1565 and 1575.)


This reference is often found in 18k yellow gold or two-tone (gold and steel) variants, with a 36mm case. The later versions has a signature red “Datejust” text on the dial,






It is very common for Rolex to use whatever case back they have during production by simply re-engraving the new serial nos.

Key Features: 

Produced in the 1950s–1960s, the ref 6075 features an automatic movement and a date window, with some examples having a small Rolex crown on the dial and an all-red calendar. This one is with the super Oyster direct pulling crown.

The “bubbleback” case refers to the rounded, domed back typical of early Oyster Perpetual models, giving the watch a unique profile.

Most 6075s are made in 18k yellow gold or two-tone, with a fluted bezel and a variety of dial colors including white, champagne, and black.

Market Value and Rarity
The Rolex 6075 Big Bubbleback is considered a rare and collectible vintage model, with prices ranging from HK$20,000–148,000 depending on condition, provenance, and materials.

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Rolex Big Bubbleback ref 6075 (1951-3)

The Rolex 6075 Big Bubbleback is a vintage Oyster Perpetual Date model, notable for its distinctive “bubbleback” case design and classic mid...

google.com, pub-9153422137839320, DIRECT, f08c47fec0942fa0