Set contents: Main unit, box, instruction manual, warranty included Reinforced waterproof for daily life: 5 BAR Allergy resistance confirmation: Nickel allergy resistant product (displayed by the manufacturer.Please check the product before use) ) Country of origin: Japan Accuracy: ±15 seconds/month (when not receiving), Photovoltaic generation: 3 years (when power save is activated), Functions: Perpetual calendar, radio reception in Japan, China, America, and Europe. Waterproof performance: Water resistant to 5 ATM, Glass: Spherical sapphire glass (99% clarity coating), Case: Super titanium, Band: Super titanium, Additional specifications: Nickel resistant, Magnetic resistant type 1, Night movement (hands), White pearl lettering, White pearl carving, city name engraved on the back cover Allergy resistance confirmation: Nickel allergy resistant product (Indication by the manufacturer. Please check the product before use.) Country of origin: Japan Accuracy: ±15 seconds/month (when not receiving data), Photovoltaic power generation: 3 years (when power save is activated), Functions: Perpetual calendar, China/US/Europe radio reception, Waterproof performance: Water resistant to 5 ATM, Glass: Spherical sapphire glass ( 99% Clarity Coating), Case: Super Titanium, Band: Super Titanium, Additional Specifications: Nickel Resistant, Class 1 Magnetic Resistance, Night Movement (Hands), White Pearl Letters, White Pearl Engraving, City Name Engraved on the Back Lid