Multi-hand watch with calendar, business use, three colors Winning products: Genuine leather belt, metal dial, elegant item Men's watch, simple type, windproof glass, 50 waterproof Free replacement guarantee within 30 days from the date of purchase, 1 year warranty Description about waterproof performance: 30m: Waterproof enough to withstand sweat from daily life, water droplets from washing your face, and rain showers. 50m: The watch is waterproof enough to withstand water work, but please refrain from submerging the watch in water. 100m: The waterproof performance is said to be safe even when submerged in water, but it is not waterproof enough to withstand water pressure such as waves, swimming, and diving in the sea or pool. Watches, including waterproof watches, cannot be worn in hot water or in the bathroom.The rubber gasket on the watch is easily heated and deteriorates.Water vapor molecules are relatively small in that location and can easily enter the inside of the case. There is a high possibility of damage to mechanical parts.