This high-quality 387S battery is perfect for your Accutron 214 or 218 watch. 1 QTY = 2 BATTERIES2 QTY = 4 BATTERIES...The spacer included is high quality. It fits the battery perfectly, and tightly. The plastic is non-conductive and will not hold a charge.It is a quick and easy replacement for your old battery, ensuring that your watch will continue to function smoothly for years to come. Instructions: (For 218 models, remove the retaining ring holding the caseback down, remove the caseback, unscrew the battery screw slightly, enough for the Cell Strap to become lose, move it aside (to the right), and take out the old battery. Replace the battery and ensure a tight seal.) (For 214 models, remove the battery hatch with a accutron battery hatch remover or a caseback remover tool. Try not to scratch or bend the hatch. Be careful with the inside of the hatch - do not remove the contact spring that is affixed to the back of the battery hatch, unless it is broken. Remove the old battery and replace with the new one. You may have to push in with a small amount of pressure to ensure a tight fit. If the battery/spacer does not fit, take it out and try again, do not push hard.) Details: The battery is made with advanced alkaline technology and has a chemical composition that is designed to provide reliable and long-lasting performance. It is manufactured in Japan and has been designed to meet the highest standards of safety and reliability. Whether you are a watchmaker or a collector, this battery is the perfect choice for your Accutron watch, including a spacer for your watch.