Rolex 40mm Day Date

Seiko 5 Sports • Manual and automatic winding capabilities • 21,600 vibrations per hour • Power reserve: approximately 41 hours • 24 jewels • Black dial and unidirectional rotating bezel • Day/date calendar • LumiBrite hands and markers • Case diameter: 42.5mm • Stainless steel case and bracelet • Water-resistant to 10 bar, 100 meters (300 feet) • Caliber 4R36