With simplicity and style, this eco-driveâ® calendrier watch from citizen is a distinguished look for him. Blue chronograph dial with moon phase 41. 8mm stainless steel case with a blue bezel; 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 100 meters we are an authorized citizen dealer