Seiko men's watch with caliber number 7N42. Gold plated stainless steel case and gold Stainless Steel Gold Plated strap. White dial. Quartz movement. Deployment clasp closure. Water resistance of 100 meters. The quartz watch, delivering higher performance and greater durability. It is the quartz watch that merits the name Seiko. A quartz movement depends on a battery as a power source. The battery sends electricity to a quartz oscillator, which vibrates at precisely 32,768 times per second.