My grandfather gave me this watch this week, and I'd like to know more about it.
All I know is that it has Maurice Lacroix inscribed on it, and not much more. I've failed to find any information online about it, only finding newer models.
I was hoping someone here could point me towards what its model actually is, when it was created, price, rarity, etc.
I believe it was my grandmothers birthday gift for him in 1985.
I'll attach some photos of it. On the back, the following is written (might not be very clear from the photo):