Please read carefully:
LONGINES Conquest L3.678.4 Chronograph black Dial Automatic Men's Watch. 41mm diameter without crown 46mm with crown.
This watch has a custom face and hands in style "Grande Vitesse". Sapphire crystal. The movement is a genuine  ETA 7750 movement. (see pictures). Original Longines crown.
The rubber strap is not original. The watch is used and has some signs of usage please see the pics carefully before bidding.
Although the watch works and keeps good time accurately, the last service date is unknown and therefore sold as servicing needed.
Although this watch has a 300-metre rating any watch must be water tested by a professional before usage in water.
What you see is what you get. 
If you are not sure or users with no rating on eBay do not bid.
This sale is between private individuals, no warranty or refunds.