First, the admission price to Oysterquartz today would likely start at $20k & go up from there. Second, you lose exclusivity by diluting product lines with too many (or too affordable) "entry-level" offerings. Third, I think there are MANY wonderful watches, albeit mostly quartz-powered, out there for the truly astute watch collector. A case in point - Swatch has made some truly beautiful watches, some of which are now quite collectible.
"The Swatch Sistem White Automatic SUTW400 Automatic Unisex Watch is an inexpensive, fun watch that fits the bill with budget watch lovers as much as it earns appreciation from veteran, mechanical watch connoisseurs."
Swatch Originals Sistem White Automatic SUTW400 Unisex Watch: Luxury with a touch of fun
The old standard applies - always buy what you like. That way, regardless of how history treats your watch's value, you are happy.