Spring drive bright titanium model suitable for smart urban active life. Equipped with a third mechanism "spring drive"
that enables high precision equivalent to a quartz watch while using the mainspring used for mechanical watches as a power source, wide-closed dial and slender bezel are based on popular models In addition, it is a model that has a common case design but is more functionally sublimated. The case and bracelet have been changed from the previous stainless steel to Bright Titanium, which is about 30% lighter and has excellent scratch and corrosion resistance. The dial has also been updated with a fine stripe pattern, giving it an intellectual impression that is suitable for bright titanium. / Caliber: 9R65 / Drive period: Maximum hoisting time about 72 hours (about 3 days) / Accuracy: Average monthly difference ±15 seconds (day difference ±1 second equivalent) / Number of stones 30 stones / Power reserve display function / Second hand Stop function/Waterproofing for daily life (10 ATM)/Back lid With lion crest/Calendar (date) function/Screw back/Screw lock type crown/Metal allergy/Lumibrite: Yes (needle/index)/Magnetic resistance 1 type / made in Japan / arm circumference (maximum) about 19 cm

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Seiko  GRAND SEIKO  Quartz clock  Spring Drive  Silver  Brown  Grand Seiko SBGA227 9R Spring Drive Stainless Steel  セイコー SEIKO グランドセイコー 「スプリングドライブ」 SBGA347  Men's SEIKO Grand s SBGV233  Grand Seiko Sport Collection MADE IN JAPAN JDM SBGX