Case is made out of Base metal

From the Classic Collection

Weight: 135

LightLED backlightAfterglow

and this change in color is used to indicate the battery level and the alarm on/off setting

Casio • AQ230EM-7A • Vintage Color:Silver Case is made out ofChoose a dial in navy or a silver color to complement the silver colored case. Updated with the mesh band, these classic designs make an even more striking style statement by highlighting the beauty of metal mesh, delivering a refined, elegant presence all their own. SPECIFICATIONS Case size (L W H) 38. 8 29. 8 8. 1 mm Weight 52 g Case and bezel material Resin Chrome plated Band Stainless Steel Mesh Band Adjustable Clasp Water resistance Water