Rolex Oyster Junior Sport Ref. 2784 - 'Early Oyster Flatback' - 1941

£1,550.00
  • Year: 1941

  • Movement: Manual wind Calibre 59 movement

  • Case: 31mm case. Very large crown signed Oyster patent.

  • Dial: Beautiful tropical dial with arabic numerals and radium lume.

  • Glass: Acrylic glass

  • Bracelet: Tan leather strap.

  • This watch is sold as watch only, which is typical for vintage timepieces. We place greater value on condition, originality, and overall integrity than on whether a box or papers happen to be present. Many vintage watches have lost their packaging over time, and we don’t believe in inflating prices with non-original extras.

    If a watch does include genuine box and papers, this will always be clearly noted in the description. All purchases come with bespoke Watts On Watches packaging and full purchase documentation.

  • Every watch we sell is fully inspected and professionally serviced to meet our exacting standards. We stand by the quality of our stock, which is why every purchase comes with a 12-month warranty as standard.

  • Year: 1941

  • Movement: Manual wind Calibre 59 movement

  • Case: 31mm case. Very large crown signed Oyster patent.

  • Dial: Beautiful tropical dial with arabic numerals and radium lume.

  • Glass: Acrylic glass

  • Bracelet: Tan leather strap.

  • This watch is sold as watch only, which is typical for vintage timepieces. We place greater value on condition, originality, and overall integrity than on whether a box or papers happen to be present. Many vintage watches have lost their packaging over time, and we don’t believe in inflating prices with non-original extras.

    If a watch does include genuine box and papers, this will always be clearly noted in the description. All purchases come with bespoke Watts On Watches packaging and full purchase documentation.

  • Every watch we sell is fully inspected and professionally serviced to meet our exacting standards. We stand by the quality of our stock, which is why every purchase comes with a 12-month warranty as standard.

This 1941 Rolex Oyster Junior Sport Ref. 2784 is a true early Oyster, dating to a period when Rolex was still refining what would become the blueprint for the modern wristwatch. Pieces like this are not simply vintage Rolex watches. They are foundational.

Housed in an early “flatback” Oyster case measuring 31mm, this watch retains its wonderfully oversized Oyster Patent crown, a defining feature of early waterproof Rolex designs. The proportions are beautifully balanced, with slim lugs and a compact profile that sits comfortably on the wrist while retaining strong presence thanks to its bold dial layout.

The dial is the star.

Over more than eight decades, it has developed a rich tropical tone that gives the watch immense warmth and character. The aged surface has taken on a deep honeyed patina, perfectly complementing the radium lume filled Arabic numerals and cathedral style hands. The small seconds at 6 o’clock adds symmetry and reinforces its unmistakable 1940s tool watch aesthetic. The print remains clear and legible, with the “Oyster Junior Sport” text still proudly visible.

Inside is the manual wind Rolex Calibre 59, a robust and historically significant movement that powered many early Oyster references. It is a reminder of Rolex’s focus on durability and engineering long before the era of automatic sports watches.

Key Features

  • Reference 2784

  • Year 1941

  • Early Oyster “Flatback” case

  • 31mm steel case

  • Oversized Oyster Patent crown

  • Manual wind Rolex Calibre 59

  • Tropical Arabic numeral dial

  • Radium lume

  • Small seconds at 6

  • Acrylic crystal

  • Tan leather strap

Condition

The case presents with honest wear consistent with its age while retaining strong definition to the lugs and bezel. The dial has aged beautifully, developing a warm tropical patina that collectors actively seek in early Rolex pieces. The radium lume shows attractive ageing that complements the dial tone perfectly.

This is not a restored watch. It is an honest, original survivor from the early 1940s.

Why Buy This Watch

Early Oyster “flatback” models represent an important chapter in Rolex history. Long before Submariners and GMT Masters, this was Rolex proving that a wristwatch could be both elegant and robust.

Collectors increasingly recognise the importance of these pre sports Rolex references. They are rare, historically significant and visually distinctive. The combination of tropical dial, Arabic numerals, oversized crown and early Oyster case makes this an especially compelling example.

This watch is sold as watch only, which is typical for vintage timepieces. We prioritise condition, originality and overall integrity over the presence of box and papers. All purchases are supplied with bespoke Watts On Watches packaging, full documentation and a 12 month warranty as standard.

An 83 year old Rolex that still speaks with authority.