The skeleton calibres manufactured by Roger Dubuis in Geneva are the essence of the expressive singularity of the Excalibur collection. Complying with one of the most respected certifications of Haute Horlogerie, the Poinçon de Genève, the Excalibur watches are designed like contemporary works of art. Every single component being finished by hand, the watches are symbols of passion. The work of hyper-skilled craftsmen is at the forefront of each watch with a direct view on the creative mechanics making these pieces more alive than ever.Case White gold case set with baguette diamonds Sapphire crystal with anti-reflective coating and Roger Dubuis logo metallized on the inside White gold open case back wit crystal sapphire Size: 42mm Water Resistance: 10 bar (100 m) Dial White gold flange set with baguette diamonds Main material: White Gold 210 18K Strap According our non-exotic policy, Excalibur collection is adorned with a premium calf leather strap, built in volume to follow the design of the case and the movement. The strap is interchangeable thanks to Quick Release System. Type: Calf Color: Black Clasp White gold cover set with baguette diamonds, titanium blades, triple folding, interchangeable with Quick Release System - QRS Type: White Gold 18k MOVEMENT Energy: Manual-winding Indications: Hour - Minute Power reserve: 72 Hours Decor Shot-blasted and trued-up main plate and bridges with NAC or Blue CVD coating Technical Details Number of pieces: 194 Number of rubis: 19 Diameter: 16 Thickness: 6.9 mm Frequency: 21600 Frequency (vph)