Classic lines and an easy-to-read display make the citizen eco-driveâ® ceci watch a functional and attractive choice. Black dial with large display 31. 5mm stainless steel case; sapphire crystal japanese quartz movement citizen eco-driveâ® technology harnesses the power of any light source so you never need a battery stainless steel link bracelet; push-button fold-over clasp water-resistant to 50 meters we are an authorized citizen dealer