Lord Marvel 3600 Hand-wound Watch Serviced Full Numeral Indices Vintage

SEIKO LORD MARVEL 3600, 23 Jewels, 5740-8000, Stainless Steel, Water Resistant, with all numerical index and typesetting type, is a used hand-wound watch.
The case size is approximately 1.38 inches (excluding the crown), and the lug width is 0.75 inches.
This watch, first sold in 1967, was the first high-beat made in Japan and the last of the high-end Lord Marvel series.
As the name suggests, it beats 36,000 times per hour, or 10 times per second.
It was manufactured in April 1972.
The case has few minor scratches and is in good condition.
The movement was overhauled before listing and the accuracy is about 10 seconds per day in a flat position, which is a very good condition.
The crystal is not new but clean.
There is deterioration around 12-1 on the dial, please enlarge the picture to confirm.