Unveiling Steeldive SD1955 Diver and SD1940 Pilot Wristwatches: A Comparison


Steeldive SD1955 - Vintage Sub Diver Watch

This is a classic and elegant timepiece designed for diving enthusiasts who appreciate vintage aesthetics.

  • Stainless steel case
  • Water resistant up to 200m
  • Japanese automatic movement
  • 40mm case diameter
  • Flat sapphire crystal

Steeldive SD1940 - Pilot Watch

If you prefer a more rugged and functional design, the SD1940 Pilot Watch might be the one for you.

  • Stainless steel case with black coating
  • Water resistant up to 100m
  • Japanese automatic movement
  • 42mm case diameter
  • Domed sapphire crystal


  • The SD1955 is a diver watch with higher water resistance compared to the SD1940.
  • Case diameter: SD1955 (40mm) vs. SD1940 (42mm)
  • Crystal type: Flat sapphire on SD1955 vs. Domed sapphire on SD1940


  • Both watches feature Japanese automatic movements for reliable timekeeping.
  • Stainless steel cases ensure durability and a sturdy build.
Comparing Steeldive SD8103 V4 Pilot Watch & SD1970 V2 Diver Watch: Key Differences Revealed