Men's PROMASTER watch Altichron, stainless steel case, urethane band, crystal glass, Eco-Drive movement 330 days power reserve, water-resistant 20 bar, screwed back and screwed crown, altimeter up to 10.000 m, electronic compass, pin buckle.Men's PROMASTER watch Altichron, stainless steel case, urethane band, crystal glass, Eco-Drive movement 330 days power reserve, water-resistant 20 bar, screwed back and screwed crown, altimeter up to 10.000 m, electronic compass, pin buckle.