I picked this Seiko 6139-6010 up from Japan. The Serial number shows it was made in March 1969 and that means this month it turned 50 years old. The earliest I have seen are from February 69. It’s one of my favourite dial and case designs; 6139-8010 AD starburst blue with frost and red hands. This example is in very good original condition. It’s not running and I suspect it once received a good knock as the central second recorder has fallen off and the upper shock jewel is missing. For now this one is a keeper.