【All-Round Watch Testing】: Detects quartz movement and battery status, quickly diagnosing watch faults. Ideal for professional repair shops and personal watch hobbyists. 【Precision Intuitive Display】: Digital screen with LED indicators shows real-time data. Simple operation suits both entry-level users and watch repair professionals perfectly. 【Built-In Demagnetization】: Eliminates magnetic interference causing time deviation, restores timing accuracy and prolongs watch movement service life effectively. 【Noise-Isolated Detection】: Sealed acoustic chamber blocks outside noise, capturing pure signals to ensure accurate, stable and consistent testing results every time. 【Compact Durable Structure】: Sturdy plastic for long-lasting use. Space-saving design fits workbenches, great for repair shops, collectors and DIY watch enthusiasts.