Adjustable silver-tone 18mm stainless steel bracelet fits up to 8-inch wrist circumference. 24-hour chronograph with lap & split times; month, day & date calendar; 24-hour military time mode. Alarm chimes with iconic Stanger Things melody; top-ring & caseback feature Stranger Things artwork. Silver-tone 34mm case with mineral crystal; gray digital display; Indiglo light-up watch dial activates the Upside Down. Water resistant to 30m (100ft): in general, withstands splashes or brief immersion in water, but not suitable for swimming or bathing.