The Seiko 7A38 is a quartz chronograph movement produced by the Japanese watch company Seiko. It was introduced in 1983 and was an updated version of the earlier 7A28 movement, featuring several improvements and refinements.
The Seiko 7A38 movement is a highly accurate and reliable quartz chronograph movement, featuring a stopwatch function and small seconds sub-dial. The movement has a frequency of 32,768 Hz and is accurate to within +/- 15 seconds per month.The Seiko 7A38 movement is highly regarded among watch enthusiasts for its accuracy, reliability, and innovative features. Its compact size and unique alarm function have made it a popular choice for collectors and enthusiasts who appreciate its unique design and high level of craftsmanship.