In the air or on land, look stylish when you wear this men's citizen eco-drive® promaster air chronograph watch. 46mm stainless steel case with sapphire crystal and a green ion-plated rotating bezel with a calculator and tachymeter green dial with luminous silver-toned hands and markers, a trio of chronograph sub-dials and a date display at 4 o'clock functions include atomic time clock synchronization, 1-second chronograph that measures up to 60 minutes and a perpetual calendar japanese quartz movement keeps accurate time while citizen eco-drive® technology is sustainably powered by light the stainless steel link bracelet secures with a fold-over clasp water resistant to 200 meters