It is a military watch of the former Japanese army during the prewar war. It is made by Seikosha SEIKO and has a anchor mark.
The spring of a hand-wound watch is defective. Needs an overhaul to work. It is dirty and rusty.
How about a military collector? International Buyers - Please Note. This item is in the category "Collectibles\Militaria\WW II (1939-45)\Original Period Items\Japan\Other Japanese WWII Orig Items".The seller is "nabejun" and is located in this country: JP. This item can be shipped worldwide.