Sinn watch ezm 3 bracelet this diving watch has been designed for functioning in the harshest of conditions including extreme cold the watch cavity is filled with argon and a dehumidifying capsule has been added both protecting the mechanism against moisture and oxygen intrusion because of these special characteristics the ezm 3 diving watch can operate flawlessly at temperatures ranging from 45 to 80 degrees celsius additional features include magnetic resistance divers bezel with mi