I received a Longines watch from my mom that she got from my dad about 40 years ago.It is oval and 10k gold filled.It says Longines on the face and has bars for the numbers.It has no second hand.It does not have the flagship on the face.The strap is made of some metal and wrapped in gold.It has a V design along the strap with a safety latch(chain).On the inside of the case is marked Longines Wittnauer Watch co.inc. New York Geneva Montreal. Star W. C.Co. 10k gold filled 2576410 with another number underneath; 5547456. On the mechanism it is written ; Longines 17 jewels Swiss.There is a number here also which might be the serial- 14197273.