Brand: Seiko EAN: 4954628014269 Feature: 21 Jewel Japan Automatic Movement Label: Seiko Manufacturer: Seiko Model: SNK559K1 Publisher: Seiko Studio: Seiko
Features
21 Jewel Japan Automatic Movement Stainless Steel Band and Case Water Resistant Transparent Screw Down Back Cover
Editorial Reviews:
An automatic watch (also called a self-winding watch) is a mechanical watch, typically with a balance wheel escapement, whose mainspring is wound by the motion of the wearer's arm, instead of having to be wound manually every day. Whereas a quartz watch is powered by electricity, a mechanical watch is powered by a mainspring which must be rewound for the watch to keep time
