yeah josh has good reputation... also check out watcheden.
for 100$ you can get an PO with 21j movement... if you're looking for a rollie...then the day date II's are new and with 21j around 108$ and you can swap the movt. with a dg 4813 which has 28k beat...

for 200$ hmmm breitling SOH, omega UPO...

depends what you're looking for!