works when i wind it, can’t make out writing on back, guessing you’d need a special eye thingy to see the writing, from my research it seems that this was giving to special first class passengers on Thai airlines around 1985, this looks great, the only one i could find listed is going for thousands of euros! Vintage 1985 Thai Celebration gold plates pocket watch. Condition is "Used". Shipped with USPS Priority Mail.