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Certification Affordable and beautiful, stable Purchase Instructions: 1. All products in this store are packaged in transparent plastic bags, and the price does not include a watch box. A set of black metal boxes costs an additional 3 yuan, which can be purchased directly on the website Packaging link, only 10 sets available for purchase. 2. Each style can swim for 30- 50m meters and is waterproof but not suitable for hot water bathing 3. For product quality issues, buyers need to cooperate by returning at least 10 items for exchange with the same product model. 4. Delivery within 48 hours after payment; holidays may delay, please do not rush orders during normal shipping period; within Guangdong Province, usually arrives the next day; outside provinces 3-5 days; remote areas 5-7 days; this time frame is for buyer reference only and not used as a reason for refunds.Thank you and you prosperity and wealth in your business Brand SKMEI Moment Beauty Model number 1434 Movement Electronic movement with Japanese battery Function Dual Time, Chronograph Stopwatch, Countdown, Week Date Display, Timer Alarm Clock, Luminous, 12/24 Hour System Material ABS material watch case, PU strap, high transparency resin glass, stainless steel case back, stainless steel clasp Color Black Black Machine, Black White Machine, Military Green Black Machine, Military Green White Machine Specifications Net weight 55g Watch Maintenance Tips: 1. Please do not bring the watch close to magnetic objects 2. If there is water ingress or air, please immediately send it to the repair center for cleaning to prevent the movement from rusting 3. If there is a protective film or label attached to the watch back, please remove them before use, otherwise sweat will penetrate into the protective paper and cause rust on the watch back 4. Please do not expose the watch to various solvents and chemicals, as this may cause corrosion and discoloration of the case and strap 5. The watch is limited to quartz watches at room temperature°C～35°It can operate stably and accurately within the range of C, even when the temperature exceeds 50°C can cause battery leakage or shorten battery life Pool life.Please do not leave the watch in low temperatures below -10 for extended periods°In an environment with air conditioning, it can cause the time to slow down or speed up. When the watch returns to normal temperature, its operation will resume Normal; 6. Watches can be divided into diving watches, waterproof watches, and non-waterproof watches based on their waterproof performance.The waterproofing of the watch relies on the waterproof gasket rings at the glass, back cover, and crown Meet the corresponding standards and be categorized into different levels: 1 Sweat-Resistant: It's easy to understand, simply preventing sweat from getting inside the watch 2 General Waterproof WATER-RESISTANT: It's okay if you occasionally encounter water, for example, if you water the flowers and accidentally spray it on your hand, no need to worry Just take it off and wipe it clean, and it'll be fine. In short, it's for preventing accidental small splashes in life 330m Waterproof 30M, 3ATM, 3BAR: Watches with "30M" marking are waterproof watches that can be used for daily grooming or in the rain, but mainly To prevent the movement from being damaged by dust and moisture. 30m waterproof, professionals explain that each square centimeter can withstand a pressure of 3kg approximately at rest The pressure equivalent to a water depth of 30m meters is equivalent to 3 atmospheres of pressure. For us ordinary consumers, we just need to remember that 30m is the waterproof depth The most basic level will suffice 450m Waterproof 50M, 5ATM, 5BAR: Watches with the "50M" label are 50m waterproof watches, which are truly what consumers mean Waterproof watch, suitable for swimming and general household tasks.Remember not to adjust the watch crown in water 5Diving Watch 100m Waterproof, 200m Waterproof, 300m Waterproof etc: It is a professional waterproof watch that can be used for swimming and diving and other underwater activities. Friendly Reminder: 1. Any Waterproof watch should not be exposed to hot water or steam, such as taking a hot bath or sauna; 2. Try to avoid using it in environments with significant temperature changes. The temperature difference can cause moisture in the air inside the watch to condense, leading to water ingress and water mist formation inside the watch. If there is fog inside the watch, please promptly take it to a professional watch repair department for cleaning and maintenance 3. After all, watches are precision instruments; please handle them with care. Good usage habits can extend the lifespan of your watch, while bad habits will shorten it.