Roger Dubuis Excalibur King Series Tourbillon V4 — New Factory “King Returns” Edition

The New Factory proudly presents the upgraded V4 version of the Excalibur King Series Tourbillon, marking a new milestone in refined skeleton tourbillon craftsmanship. This edition is developed with deep appreciation for all watch enthusiasts and collectors who continue to support the brand.

As a refined evolution of the previous generation, this model focuses on improving structural accuracy and visual authenticity based on the original RD505SQ architecture.

Key Features:

  • Movement: Newly developed fully skeletonized integrated tourbillon movement based on the RD505SQ structure, with improved wheel alignment and spacing closely matching the original design
  • Precision: Upgraded balance structure with weighted regulation system, achieving highly accurate and stable performance
  • Individual Identification: Each movement features a unique serial code for traceability and exclusivity
  • Crystal: Ultra-transparent sapphire crystal with blue anti-reflective coating for enhanced clarity
  • Hands: Upgraded curved hand structure consistent with original specifications, replacing previous straight-axis design for improved authenticity

This upgraded V4 edition emphasizes refined detailing, improved structural realism, and enhanced visual transparency. The fully openworked movement architecture delivers a strong mechanical aesthetic while maintaining stable and precise timekeeping performance.

A tribute to craftsmanship evolution, representing a new benchmark in skeleton tourbillon interpretation for collectors and enthusiasts.

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