Brand: CITIZEN Model: CITIZEN Eco-Drive Reference number: B612-S068720 ケース diameter (measured without the crown): 40mm Dial color: Black Material ケース: Titanium ムーブメント QUARTZ ( battery ) Solar. Functions: Anti-Magnetic , Water-Resistance , Chronograph , Date Gender: Mens Box: No Papers: No 腕周り : 最大 about 17 cm