Very Rare Vintage 18k Solid YG Chronograph Lowenthal Black Dial Mens Pilot Watch

Single side pusher controls the stop watch function of the watch
Original wear and patina on the dial
18k solid yellow gold (STAMPED)
Watch runs, winds and keeps perfect time but has not been serviced or polished (case can be polished complimentary upon request)
Manual wind up movement
38mm case not including the crown
On a blue and red stripe nato style strap
The pin between the lugs is one with the case and cannot be removed
Back of case is marked with 10037
Swiss Movement
Crystal opens from the front
In very good estate condition (slight wear on the pusher, crown and faint scratches on the crystal)

This is a pre-owned estate piece, in very good estate condition, Please see pictures for reference