Citizen Promaster x Mechanical ft. Marine Men Casual Formal Round Diver 200m Water Resistant Watch NB6004-08E NB6004 NB-6004 Embark on your next underwater escapade with a timepiece built for the boldest explorers. Featuring a one-way rotating bezel, screw-down crown, and antimagnetic properties, this automatic diver's watch is crafted with premium materials and designed to withstand the harshest ocean conditions. Caliber Number / Movement 9051 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 42 hours (+20 to -10 seconds per day) Crystal Sapphire crystal (curved) Luminous Luminous on hands, indexes and bezel Case & Band Material Titanium (Duratect DLC) case with urethane rubber strap Water Resistance 200m / 660ft diver’s Case Size Diameter: 46.0 mm Other Specifications Citizen Promaster x Mechanical ft. Marine Made in Japan Unidirectional rotating bezel Screw-down crown Screw case back 24 jewels Date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)