ROGER DUBUIS Excalibur Spider Carbon 45mm

General Information:

• Brand: ROGER DUBUIS
• Collection: Excalibur Spider
• Model: Spider Carbon 45mm (Reference may vary, e.g. RDDBEX0748)
• Gender: Men’s
• Limited Edition: Yes, individually numbered

Case:

• Diameter: 45 mm
• Material: Multi-layered carbon fiber (case, bezel, some references also have carbon lugs and case back)
• Bezel: Carbon fiber, notched, signature Excalibur Spider design
• Crystal: Scratch-resistant sapphire, anti-reflective coating
• Case Back: Transparent (sapphire crystal), limited edition engraving

Dial:

• Type: Skeletonized, openwork architecture with star-shaped bridges
• Markers: Applied indices with luminous accents
• Hands: Skeletonized, luminous-coated, color accents (often red or yellow, depending on edition)
• Features: Many references feature a flying tourbillon at 7 o’clock, small seconds, power reserve, or other complications depending on the edition.

Movement:

• Caliber: RD509SQ, RD820SQ, or other skeleton/in-house caliber (edition-dependent)
• Type: Manual-winding or automatic, skeletonized mechanical
• Power Reserve: Approx. 60–70 hours (depending on caliber/complication)
• Frequency: 3–4 Hz (21,600–28,800 vph, depending on movement)
• Functions: Hours, Minutes (some editions: Seconds, Power Reserve, Flying Tourbillon)
• Certification: Poinçon de Genève (Geneva Seal) for most in-house calibers

Bracelet/Strap:

• Material: Black rubber, carbon, or Alcantara® with colored stitching (quick-release system)
• Buckle: DLC-coated titanium double folding clasp

Additional Features:

• Water Resistance: 50 meters / 165 feet
• Display: Skeleton analog
• Special Features: Ultra-lightweight construction, extreme shock resistance, automotive design cues, limited production