Santos Squelette watch, large model. Manual winding mechanical movement 9612 MC. Black ADLC steel case with blue synthetic spinel on 7-sided crown. Polished steel glaive-shaped hands. Sapphire glass and back. Black alligator strap with double adjustment black ADLC steel deployant buckle. Second semi-matte dark grey alligator strap. QuickSwitch interchangeable system. Roman numeral skeletonized hour and minute markers with luminescent material. Numbered movement comprising 138 pieces including 20 rubies. Movement dimensions: 28mm x 28mm, thickness: 3.97mm. Balance: 28,800 vibrations per hour. Approximately 72-hour power reserve. Case width: 39.7mm, thickness: 9.08mm. Water-resistant to 10 bars (~100 meters). Features: [not provided].