Please Note: Before making any purchase kindly ensure the battery is compatible with your watch/device. Not all watch batteries are the same. You can confirm the model number from your current/previous battery, if it contains any of the model numbers shown below then it will fit.  Thanks for your understanding!5pcs cr1620 lithium battery electronic button coin cell batteries 3vecr1620 dl1620 5009lc remote toy clock cr 1620Tested under strict quality control standards. CE and RoHS certified.Unlike the bulk in the tray package, each battery is separate to avoid short-circuit + e-problem.With 3 years lifespan, it's a good choice to store some batteries because it's not so easy to find cr1620 batteries when you need them.Equivalent to other brand models such as 1620 CR1620 DL1620 ECR1620 BR1620 280-208 DL1620B BR1620-1W CR1620-1W KCR1620 LM1620 5009LC L08 and more 3v lithium batteries (because 1620 indicates battery dimensions diameter 16mm and height 2.0mm).Ideal for car key fob (such as vw key, mazda 3 key), rke (remote keyless entry), watch computer motherboards, calculators, PDAs, LED flashlight and so on.Batteries only, other accessories demo in the picture are not included!Tips:1. Wipe the battery with dry cloth and correctly adjusted confirming the end (+.-).2. Keep the battery in a dark, cool and dry place.3. Use finger bags or non-metallic tweezers.4. Do not throw the battery into fire, do not recharge.5. Insert the battery in the right direction and avoid short circuit.6. Keep away from children.Specification:Model: cr1620Material: metalRated Capacity: 10Standard voltage: 3vWorking temperature: -20 + + 70 ℃Diameter: app.1.6cm/0.63inQuantity: 1 set