CITIZEN Promaster Dive Automatic Mechanical 44mm Watch BlackBayOriginal Mean Daily Rate: +5 to HBAHOFCLS8R Z65 Mean Daily Rate: +5 to 3 seconds per day (Mean daily rate is a mean value of daily rates in a condition where the movement before assembly in a case is measured in six positions in a fixed manner under an artificially controlled environment for 12 days Equipping the wearer for todays globally minded environment is a unique mechanical conversion facility to give accurate equivalents of a selection of units in either metric or imperial Dive in with the high performance sport style of a fully luminous dial this iconic mens dive watch is a reimagining of the original