Citizen Eco-Drive™ FAQ Watch Sizing Guide Aim high with your style wearing the Citizen Watches Brycen watch. Round stainless steel case. Stainless steel link bracelet. Fold-over clasp with double push-button release. Three-hand analog display with quartz movement. Using the most advanced technology in watch making, the Eco-Drive Perpetual Calendar never needs a battery. Green sunray dial features luminous index hour markers, date display window, and brand name. Green bezel. Caliber number J810. Anti-reflective mineral crystal window. Water resistant up to 10 ATM/100 meters. Presentation box included. Imported. Citizen Watch offers a five-year limited manufacturer's warranty on all their products. For more information, please visit their website and see the "Service Information" section. Case size 43 mm.