ei8htohms
8555
the non-Chrono, non-Big-Date has the Cal. 532
Hi LL,
The small Heritage (ref. 3670) has the Breguet automatic caliber 532 in it. It's a Lemania development that has typical (high) Lemania quality performance and reliability. Many would consider the watch a little small by modern standards, but I think it's a perfect size for a "rectangular" watch.
_john