Santos watch, large model, skeleton design, manual winding mechanical movement 9611 MC. Black ADLC steel case, 7-sided crown with grey spinel, grey steel sword-shaped hands, sapphire glass and back. Steel bracelet with SmartLink sizing system. Second grey alligator strap with interchangeable steel deployment buckle. QuickSwitch interchangability for both straps. Roman numeral skeletonized bridges, grey lacquer. Movement composed of 138 parts including 20 rubies. Movement dimensions: 28mm x 28mm, thickness: 3.97mm, balance frequency: 28,800 vibrations/hour, power reserve of approximately 70 hours. Case width: 39.8mm, thickness: 9.08mm. Water resistant up to 10 bars (~100 meters). Features: