Citizen General x Mechanical ft. Open Heart Women Casual Formal Round 100m Water Resistant Watch PR1020-85A PR1020 PR-1020 Discover a masterpiece of horology with a 40-hour power reserve, stainless steel case, and see-through case back. This automatic timepiece boasts a precise movement, 100m water resistance, and a sleek metal band with three-fold clasp. Experience the art of mechanical watchmaking in a refined and stylish package. Caliber Number / Movement 6628 (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 metal band (three-fold clasp with push-button release) Water Resistance 100m / 10 bar Case Size Diameter: 28.0 mm Other Specifications Citizen General x Mechanical ft. Open Heart See-through case back Screw case back 21 jewels Regular timekeeping (analog display)