Purchased at a surf shop. I intended to use it for a long time, so I don't have the box. The battery is dead. I've never used it in the ocean, I've only used it once for a short time outdoors. If you have any questions, please comment. [Brand Features] Freestyle is a watch brand designed to support an active lifestyle. It is particularly suitable for use underwater and is highly durable. [Water Resistance] This watch has a water resistance of 100 meters and can be used with confidence for activities such as swimming and surfing. [Design and Materials] The silicone band is flexible and provides a comfortable fit. The simple and stylish design is easy to match with casual fashion. - Brand: Freestyle - Water Resistance: 100 meters - Modes: Lap/Reset - Band Material: Silicone - Band Color: Black Thank you for viewing.