I would say Ruger or SKB ...on the less expensive side ....around $1,250 / both good serviceable and durable guns.
For a little more money - Beretta White Onyx series or Browning Lightning series ( about $ 1,600 ) are good solid long term guns.
All 4 of those are solid long term field guns / my personal bias is for the Browning Citori models.
There are a lot of used guns around / for all 4 mfg's - for $ 300 - $ 500 less than new...that are good buys.
As an example, Browning Citori Lightning field gun ( in 12 or 20ga, sold new in 1988 for about $ 750. Today that same gun, used, in good condition is still worth $ 1,000 - $ 1,250 even if its had 20,000 shells thru it.
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I think the Savage is retailing for around $ 600. I don't know who is making them .... there are a lot of O/U's these days retailing under $1,000... Remington, Mossberg, etc ....but generally they're all short term guns / hit and miss on whether you get a decent amount of usage out of them with no problems. If you're only going to put 200 - 500 shells a year thru it / most of these guns will hold up for 5 years or so. But they won't retain any resale value to speak of.