my automatic Aqua Terra (8800 movement) maintains this (or better) accuracy, which i find astounding for a mechanical gear train that oscillates at 3.5Hz. i def

my automatic Aqua Terra (8800 movement) maintains this (or better) accuracy, which i find astounding for a mechanical gear train that oscillates at 3.5Hz. i definitely would expect a well-tuned quartz movement to outperform this significantly. but i guess not for < $20 :p