The ETA caliber G10.71A is a Swiss parts quartz chronograph movement with 4 jewels. Manufactured in Thailand, this movement has been available since at least 1997, as stated in official ETA documentation. It incorporates several functions including a quartz chronograph with intervals of 1/10s, 60s, 30min, and 12h. Additionally, it features 4 quartz controlled stepper motors, a sub-second hand, quickset date, hours, minutes, central chronograph seconds, small seconds at 6:00, a chrono 1/10 seconds subdial at 2:00, a 30 minute counter at 10:00, and a date window. The ETA 956.402 movement was utilized around 2003.