Comparing Steeldive SD1993 and SD1940M: Details, Differences, and Similarities

Comparisons of Steeldive Watches

Comparisons of Steeldive Watches

Steeldive SD1993 - GMT Automatic Watch

  • Material: Stainless Steel
  • Movement: Automatic
  • Features: GMT functionality
  • Water Resistance: 200m
  • Case Diameter: 42mm

Steeldive SD1940M - "The Murph" Pilot Watch

  • Material: Stainless Steel
  • Movement: Automatic
  • Special Feature: "The Murph" design inspired by the movie “Interstellar”
  • Water Resistance: 100m
  • Case Diameter: 40mm


  • The SD1993 has a GMT functionality while the SD1940M has a unique "The Murph" design.
  • The SD1993 has a water resistance of 200m compared to the SD1940M's 100m water resistance.
  • Case diameter of the SD1993 is 42mm, slightly larger than the SD1940M's 40mm case diameter.


  • Both watches are made of stainless steel.
  • Both watches have an automatic movement.

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