Citizen Promaster x Mechanical ft. Fujitsubo Men Casual Formal Round Diver 200m Water Resistant Watch NB6021-68L NB6021 NB-6021 Discover the new Promaster Mechanical Diver, a modern reinterpretation of a 70s classic that combines advanced features for both ocean adventures and office wear. Inspired by the Citizen Challenge Diver, this timepiece features a lightweight Super Titanium case, a striking blue dial, and a vintage-inspired design. With enhanced magnetic resistance, a 42-hour power reserve, and water resistance up to 200 meters, this watch is both stylish and functional, making it an essential addition to any collection. Caliber Number / Movement 9051 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 42 hours (+20 to -10 seconds per day) Crystal Sapphire crystal Luminous Luminous on hands, indexes and bezel Case / Band Material Titanium case (Duratect DLC) with titanium band (three-fold clasp with secure lock, push-button release with slide adjuster) Water Resistance 200m / 660ft diver Case Size Thickness: 12.3 mm Diameter: 41.0 mm Other Specifications Citizen Promaster x Mechanical ft. Fujitsubo Magnetic resistance (16,000 A/m) Unidirectional rotating bezel Screw-down crown Screw case back 24 jewels Date display Stop second hand function (hacking mechanism) Regular timekeeping (analog display)