Keep it simple with the classic lines of this his and hers pairing of citizen corso timepieces. These coordinating timepieces feature a sapphire crystal in a stainless steel case, his 40. 0mm and hers 28. 0mm, sleek white dial, silver-toned markers and date display at three o'clock. The japanese quartz movement keeps you right on time and the citizen eco-driveâ® technology harnesses the power of any light source so it never needs a new battery. The stainless steel link bracelets secure with push button fold-over clasps. Water resistant to 50 meters, these watches include a five-year limited manufacturer warranty, with an additional one-year warranty upon registering your watches with citizen. We are an authorized citizen dealer.