GRAND SEIKO SPORT COLLECTION SBGE215 GMT Master Shop Limited Watch GS211YA. My goal is to make your experience with me as stressfree as possible. We guarantee all the display items are authentic, and there are no pirated or illegally copied items. Master shop limited model equipped with gold needle caliber 9R66. Power reserve approximately 72 hours Spring-powered model with high precision equivalent to the quartz type while being spring-powered. The case is made of bright titanium with excellent scratch resistance and corrosion resistance. Model number: SBGE215 Machine: Spring drive / ...