Exploring Steeldive SD1953 Vs. SD1993: A Detailed Dive Watch Comparison

Steeldive SD1953 · Great Wave Sub Diver Watch

  • Water Resistance: 200m
  • Movement: Automatic Miyota 8215
  • Case Size: 40mm
  • Bezel: Ceramic insert with luminous dot
  • Crystal: Sapphire

Steeldive SD1993 · GMT Automatic Watch

  • Water Resistance: 300m
  • Movement: Automatic Seiko NH35A
  • Case Size: 42mm
  • Bezel: Ceramic insert with 24-hour markings
  • Crystal: Sapphire


  • Water Resistance: SD1993 (300m) has higher water resistance than SD1953 (200m).
  • Movement: SD1993 uses Seiko NH35A while SD1953 uses Miyota 8215.
  • Case Size: SD1993 (42mm) is slightly larger than SD1953 (40mm).
  • Bezel: SD1953 has a simple ceramic bezel with a luminous dot, while SD1993 features a GMT bezel with 24-hour markings.
This comparison highlights the key differences and similarities between the Steeldive SD1953 and SD1993 watches, providing valuable insights for watch enthusiasts.

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