Part of the Ultimate Collection Swiss quartz chronograph movement Bracelet: Silver-tone base metal chain link bracelet Jewelry clasp Case: Silver-tone base metal bezel encrusted with crystals Silver-tone base metal case Mineral crystal Push-pull crown Dial: White mother-of-pearl dial with silver-tone luminous hands and crystal hour markers Date day and 24-hour subdials Measurements: Bracelet: 24mm wide x 7.5in long Case: 39mm in diameter x 10.5mm thick Details: Water-resistant up to 10 meters Manufacturer's limited warranty Model #: AK640SS Our products are 100% genuine. In some cases we purchase merchandise from trusted independent suppliers and not directly from the brand owner. In all cases we stand by the authenticity of every product sold on our site.