Brand, Seller, or Collection Name Citizen Model number JY8101-52L Part Number JY8101-52L Item Shape Round Dial window material type Sapphire Crystal Display Type Analog Clasp Deployment Clasp Metal stamp no-metal-stamp Case material 45 mm Case diameter 45 millimeters Case Thickness 15 Band Material Titanium Band width 24 Band Color Silver Dial color Blue Calendar Perpetual Calendar Movement Titanium Water resistant depth 200 Meters