Information

  • Brand: Rolex
  • Year: Circa 1940
  • Model: Oyster Perpetual
  • Reference: 3131
  • Calibre: 9 3/4'''
  • Movement: Automatic
  • Material: 14ct rose gold
  • Features/complications: Bubble back 
  • Dial: Black dial with outer minute track featuring luminous baton hour indices and Arabic quarters with luminous Oyster hour and minute hands and sweep centre centre seconds 
  • Case dimensions: 32mm
  • Bracelet/strap: Leather strap
  • Accessories: N/A
  • SKU: 2236

Essay

Rolex created the auto-rotor movement from the Aegler movement in Hunter watches that featured a “perpetual motion” winding mass. Rolex subsequently patented its first successful perpetually self-winding wristwatch in 1932 and the Bubble Back was introduced in 1933 and featured the first auto-rotor. The reference 3131 is yet another model of a long line of a Oyster Perpetual wristwatches since their inception in 1926  

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