Citizen General x Mechanical ft. Open Heart Men Casual Formal Round 50m Water Resistant Watch NH9130-17A NH9130 NH-9130 Experience the pinnacle of watchmaking expertise, where precision meets stylish design. This automatic timepiece boasts an open heart, textured dial, and stainless-steel case, paired with a rich brown leather strap and unique crown placement, perfect for those who value sophistication and enduring quality. Caliber Number / Movement 8229 (automatic with manual winding capacity) Power Reserve / Accuracy Approximately 40 hours (+40 to -20 seconds per day) Crystal Sapphire crystal Luminous Nil Case & Band Material Stainless steel case with leather band (deployment clasp with push-button release) Water Resistance 50m / 5 bar Case Size Diameter: 40.0 mm Other Specifications Citizen General x Mechanical ft. Open Heart See-through case back Screw case back 21 jewels Stop second hand function (hacking mechanism) Regular timekeeping (analog display)