⚓ BERNY AM1970M Compressor Diver Watch. Model AM1970M Compressor Diver. 20ATM (200M) water resistance with dual screw-in crown and screw-in case back. With 20ATM (200M) water resistance, dual screw-in crown, and screw-in case back, this watch is fully capable of recreational scuba diving and professional water activities.
