Sweet!
...very cool '6', '9', and '12'! Longines did some amazing things with their designs in those days... definitely their peak years, IMO...
Congratulations.
And 'Dibs, please, if you ever decide to move it!
Looks like it has the 'Big Date'
(edit) cal.343 OR cal. 345 inside...
Here's my only cal. 345, a Flagship, followed by my cal. 342 who's dial and hands remind me of yours:
View attachment 352297
cal. 342:
View attachment 352299
Click to expand...