First GS 3180 Raised logo dial - SD variant. SN 2210585 dated February 1962 ( match w movement 603484 ( mostly use 12xxxx but 60 also correct ).
14K Gold filled . Late lion symbol ( correct in raised logo dial ) and correct S crown . Accurate as chronometer must be . Totally 32000 units raised logo dial 3180 produced. But Print dial( first dial) - 240 and Carved dial - 9,500 more rare and more expensive of course! All original . Rare item and price firmed

https://www.theseikoguy.com/watches/j14070/
https://thegrandseikoguy.substack.com/p/establishing-a-production-number-estimate-for-the-grand-seiko-first
https://thegrandseikoguy.substack.com/p/a-guide-to-the-grand-seiko-first-dial-variations
https://thegrandseikoguy.substack.com/p/vintage-grand-seiko-models-not-appearing

https://m.mobile01.com/topicdetail.php?f=719&t=5825124