On the Seiko Museum Ginza website, find information about the 'First Grand Seiko' model. Identify its launch year and its primary highlighted feature. Also, determine if an audio commentary is available specifically for the 'First Grand Seiko' exhibit.
Navigate to the 'Exhibits/Collections' (展示品・収蔵品) section. Click on the 'Grand Seiko' (グランドセイコー) sub-category link. Click on the 'First Grand Seiko' (初代グランドセイコー) link to view its detailed page. Identify and extract the launch year and the key feature of the first Grand Seiko model. Check for the presence of an 'Audio commentary' (音声解説) link on the 'First Grand Seiko' detailed page.
State that the first Grand Seiko model was launched in 1960. State that its key feature is its thorough pursuit of accuracy, reliability, and legibility, making it the pinnacle of practical wristwatches. Confirm that an audio commentary link is available for the 'First Grand Seiko' exhibit.