Troja Opus Temporis

The most elaborate timepiece in this series is the Troja Opus Temporis, with its unique movement.


  • 30-day power reserve
  • Silver-plated dial with “perpetual calendar”
  • handpainted moon phase display, studded with brilliant-cut diamonds
  • Harmonious-sounding half-hour strike train
  • Hidden safe in the base with biometric authentication
  • 16 extendible, individually programmable watch winders