Seiko Presage x Automatic ft. Japanese Zen Garden aka Open Heart aka Gold-Toned Sand Men Formal Round Water Resistant Watch SSA464J1 SSA464 SSA-464 SSA-464J1Experience the tranquility of Karesansui gardens, traditionally found in Zen Buddhist temples, through the Presage Japanese Zen Garden series. The Gold-Toned Sand variant showcases a shimmering dial inspired by these serene gardens, protected by dual-curve sapphire crystal. An open-heart display reveals the automatic caliber from Seiko, while elegantly curved hands and unique patterns create a striking yet peaceful aesthetic that embodies nature's essence.Caliber Number / Movement4R39 (automatic with manual winding capacity)Power Reserve / AccuracyApproximately 41 hours (+45 to -35 seconds per day)CrystalSapphire crystal (dual-curved)LuminousNilCase / Band MaterialStainless steel case with stainless steel band (deployment clasp with push-button release)Water ResistanceWater resistantCase SizeThickness: 12.5 mmDiameter: 41.8 mmLength: 48.4 mmLug width: 20.0 mmOther SpecificationsSeiko Presage x Automatic ft. Japanese Zen Garden aka Open Heart aka Gold-Toned SandMade in JapanMagnetic resistance (4,800 A/m)See-through case backScrew case back24 jewels24-hour displayStop second hand function (hacking mechanism)Regular timekeeping (analog display)