Eco-Drive Diver 200m GoDeeper: To the depths of the deep sea, unreachable no matter how far you dive. Authentic diver's watch. Promaster "MARINE Series." A boy-size model with a case diameter of approximately 37mm has been added to the basic diver series with 200m diving water resistance. The exquisite size, neither too large nor too small, fits both women and men with slender wrists. It's a model that can also be enjoyed as a pair watch. It is a full-fledged diver's watch that meets ISO standards, with luminous hands and indexes that are easy to see in water and dark places, ensuring magnetic resistance and robustness. Product Number EO2023-00A Caliber No. E168 Powered by Light-powered Eco-Drive Accuracy ±15 seconds per month Operating Time Approximately 6 months on light power Weight 65g Thickness 11.6mm Case Size Width 36.5mm Case Material Stainless steel Case Surface Treatment Plating (warm gold color) Band Material/Type Urethane Pin buckle type Band Width 18.0mm Adjustable Band Size 130～200mm Glass Crystal glass Water Resistance 200m diving water resistance Magnetic Resistance Magnetic resistance type 1 Design Features Unidirectional rotating bezel Screw-down crown Luminous (hands + indexes) Functions Charge warning function Overcharge prevention function Quick start function Approximately 6 months operation when fully charged Date display Date quick correction function Impact detection function OK53/3552 Dial Color...Blue Belt Color...Blue Accessories...Box, warranty card