Railmaster through the years

Omega · 1957

Calibre

2201: 2003–20102403: 2003–20103205: 2003–20103313: 2003–20118806: 2017–2018

Diameter

49.2 mm: 2003–201042.2 mm: 2003–201140 mm: 2017–201839.2 mm: 2003–201038 mm: 201736.2 mm: 2003–2010

Thickness

12.65 mm: 2017–201812.4 mm: 2017

Generations

Shaded: new to the line.

  1. 2003–2010Seamaster Aqua Terra 150M Hand Wound 49.2 Railmaster221
    • Calibre 2201 (new to the line)
    • 49.2 mm (new to the line)
  2. 2003–2010Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster2103.52
    • Calibre 2403 (new to the line)
    • 39.2 mm (new to the line)
  3. 2003–2010Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster2108.52
    • Calibre 2403 (new to the line)
    • 39.2 mm (new to the line)
  4. 2003–2010Seamaster Aqua Terra 150M Co-Axial 42.2 Railmaster2502.52
    • Calibre 2403 (new to the line)
    • 42.2 mm (new to the line)
  5. 2003–2010Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster2503.52
    • Calibre 2403 (new to the line)
    • 39.2 mm (new to the line)
  6. 2003–2010Seamaster Aqua Terra 150M Co-Axial 36.2 Railmaster2504.52
    • Calibre 2403 (new to the line)
    • 36.2 mm (new to the line)
  7. 2003–2011Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph2512
    • Calibre 3205 (new to the line)
    • Calibre 3313 (new to the line)
    • 42.2 mm (new to the line)
  8. 2003–2010Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster2603.52
    • Calibre 2403 (new to the line)
    • 39.2 mm (new to the line)
  9. 2003–2010Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster2608.52
    • Calibre 2403 (new to the line)
    • 39.2 mm (new to the line)
  10. 2003–2010Seamaster Aqua Terra 150M Co-Axial 42.2 Railmaster2802.52
    • Calibre 2403 (new to the line)
    • 42.2 mm (new to the line)
  11. 2003–2010Seamaster Aqua Terra 150M Co-Axial 39.2 Railmaster2803.52
    • Calibre 2403 (new to the line)
    • 39.2 mm (new to the line)
  12. 2003–2010Seamaster Aqua Terra 150M Co-Axial 36.2 Railmaster2804.52
    • Calibre 2403 (new to the line)
    • 36.2 mm (new to the line)
  13. 2003–2010Seamaster Aqua Terra 150M Hand Wound 49.2 Railmaster2806
    • Calibre 2201 (new to the line)
    • 49.2 mm (new to the line)
  14. 2003–2011Seamaster Aqua Terra 150M Automatic 42.2 Railmaster Chronograph2812
    • Calibre 3205 (new to the line)
    • Calibre 3313 (new to the line)
    • 42.2 mm (new to the line)
  15. 2017Railmaster Omega Co-Axial Master Chronometer 38220
    • Calibre 8806 (new to the line)
    • 38 mm (new to the line)
    • 40 mm (new to the line)
    • 12.4 mm thick (new to the line)
    • 12.65 mm thick (new to the line)