903 St HB

The navigation chronograph.

Special characteristics
  • Limited to 500 pieces
  • Light blue dial with sunburst decoration
  • Case made of stainless steel, polished/satinised
  • Column wheel chronograph, exquisitely decorated
  • Hybrid ceramic luminous elements, meticulously attached by hand
  • Sapphire crystal glass
  • Transparent case back made of sapphire crystal glass
  • Bezel with logarithmic scale and slide rule function
  • Water-resistant and pressure-resistant to 20 bar
  • Low pressure resistant


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