From the Presage Cocktail Time Collection Fine mechanical watchmaking from Japan Manual and automatic winding capabilities 21,600 vibrations per hour Power reserve: approximately 41 hours 23 jewels Ice blue dial with pressed pattern and gloss finish Date calendar Box-shaped crystal Screwdown see-through caseback Case diameter: 33.8mm Stainless steel case and bracelet Double deployment clasp with push button release Water-resistant to 5 bar, 50 meters (165 feet) Caliber 4R35