Don't forget about Crown & Caliber, they have several SuperOceans. I've done business with them for years and they're fantastic. Here's the main link:
https://www.crownandcaliber.com
Here's a link to their SuperOceans:
https://www.crownandcaliber.com/coll...ame:SuperOcean
Also check Tourneau/Bucherer's pre-owned Breitling inventory. They have sales every now and then (had a 20% sale two weeks ago, then a 15% sale which ended a few days ago).