The crown screws down to boost the 200m water-resistance. It’s good to know that the Citizen Promaster Dive Automatic series, including these three, is an ISO-certified range of watches, not just ISO-compliant. One of my favourite Citizen designs is the brand’s BN sequence of watches from the Promaster Dive assortment. The broad bevelled window at… Continue reading Citizen Promaster New Mechanical Divers Watches Impressed By A Barnacle-covered 1977 Problem Diver Found On An Australian Beach New, Up To Date Model Features Enhanced Magnetic Resistance