Doesn’t work with new battery

The Casio ALT-6100 Twin Sensor Module 950 Men's Watch is a vintage sport watch from the 1990s, featuring a black case with a silver bezel color. It boasts a rugged design with a two-piece strap, screwback caseback, and a variety of features including LCD display, thermometer, altimeter, alarm, chronograph, and day/date display. Made in Japan, this wristwatch has a 49mm case size, 14mm case thickness, and a 20mm lug width. With a quartz movement and mineral crystal, this Casio watch is a reliable and stylish accessory for any outdoor enthusiast.