This is a absolutely gorgeous boat for the era--and would be a fantastic S. Cal. or even PNW boat. I believe it is possible that she would be fine going up and down the coast, if you watch your weather closely. The likely hood of even encountering 20 foot seas is very slim with good weather routing. But bad things do happen, and there are some weakness in this boat which hit me. (I have done 3 Panama Canal transits and 3 trips between Florida and S. Cal.--for the most part they were calm--but saw 50 to 80 knots on several occasions. These trips were in pilot house motorsailers.) Spent 5 summers cruising AK--this boat would be great for that!
Fuel tanks:--critical that you know the conditions and material. Replacing iron tanks in this boat will be a major endeavor.
Range: I am a little more optimistic about the range, but one may have to drop down to 6 to 7 knots. In the same vein, I doubt that you are going to be doing much planing with only 850 total hp. The hull and layout is very similar to the Defever 53 POC (which I believe were cored and lighter) with a cockpit extension (could be original), The displacement is 114,000#!!! You are pushing the 3208 to get 425 hp (NA is 210 hp). There is maintenance of the turbo and after coolers. Do you really want or need this in a long distance cruising boat. How many times are you going to be running at 13 knots and burning 40+ gallons an hour?
Decks:All of the "Teak" decks topside are snap on like carpet. I have just never seen this. What is under those deck covers? I looked for a Defever 49 a few years ago, and every single one had deck problems, that I didn't want to become involved with. Pull every one of those fake teak mats and begin sounding the deck. (at least do samples--may take a patient broker)
Generators: These appear to be original. They are going to require replacing at some point. Not real easy to get to (but I have seen worse). Not in sound shields. What is the dB level in the main saloon, and in the master stateroom? I do like the 8 KW and 20 KW:good combo.
Stabilizers : What size fins? When were they last serviced, and have they been upgraded? How easy to get to the accentuates--it looks tight. What about the re-enforcements in the hull?
Bow and Stern thrusters: Access to motors? Where are the batteries?
Windlass: Is it adequate for the ground tackle you may want? It looks to currently have an undersized CQR. You will want far larger tier 3 anchors (Ronca etc), and I like to have a secondary anchor for the bow, as well as an anchor for the stern, with easy set up for stern anchoring--and at least an electric winch aft. On revisit--it does look like a winch aft, but no fairleads.
Batteries: Six 8D with two 100 amp chargers...Two engine start, one for each bow and stern thruster?? or long cable runs, and from what batteries. That leaves two house--or is it 4 house? Things to look at and see.
Side deck access: Is it an illusion or are the side decks almost non existent?
Galley: most obvious is lack of good refrigeration--for these trips you want at least 12 cu foot freezers and 12 cu foot refers, with eutectic holding plates. (best system for long distance, since it can run off mains, or 110/ from inverter or generator, once or twice a day). Maybe I am missing these in the photos.
Three staterooms: Are you going to have another couple or crew cruising with you. If so, this makes a lot of sense. If only the two, then not so much. It is very nice to have a second couple or crew with you on passages. I find that short over nighters or a two night passage is hard to adjust to, vs a longer passage, where you get in the rhythm, which takes a day or two.
Size of boat: Yes, it is really great to have a large boat...until you have to maintain it. I am not speaking of the bottom paint, but of the daily wipe down the brightwork, redo it. The cleaning of the deck, etc. As we age, all of these things become more difficult.
The flying bridge: The sliding glass patio doors are like guillotines, if they break loose. I would not be so worried about the glass area up there--and lost of cruisers have this amount of glass in the main saloon/pilot house. But the pilot house is like a hot house in the tropics. OK if you get a good breeze or have AC (you can easily put a 15,000 BTU RV air conditioner on the flying bridge (I did this on a boat with an enclosed flying bridge works fine)--but then you are running the generator all of the time.
Also single wiper, non opening windows--what are the curved front side windows made of, and how well willl they hold up--Cleaning? Visibility in rain?
The seating is almost dangerous with that little drop off--why is that even there? Why not one level? What about built in area to lie down. Single helm seat (you would probably upgrade). Area aft which is outlined with raised cleats offsite the life raft?
Dinghy: Vital and probably you will have a good sized RIB. (maybe a second light weight inflatable or hard dinghy). The davit is woefully undersized. There is no cradle or bunks for a good sized inflatable. Consider how easy it is gong to be to upgrade this system. Look at the structure of this deck and see if it will take the extra weight.
I have mixed feelings about the arrangement. Nothing wrong with the galley where it is; nice stairs to the flying bridge, can easily run with a remote added to the Simrad Auto pilot from there if you wish--but then you want a chart plotter, and instruments, plus TV of the engine room etc...
The distance from the flying bridge to the head...again as we age, this seems to be more important. No relief off the stern in this one!! Of course there is the handy urinal...both genders available...
OK I am very suspicious. It appears that this boat may have been on the market for some time. The photos look more like San Diego area, not Newport Beach. The price is low for the condition.
I would spend a couple of extra days when you are down there. Walk the dock after you have seen the boat with the broker. Ask around to see what is the scuttlebutt on this boat. See if you can find out what shipyard was used on her last haul out. Was there much blistering. Any issues noted with the fins, running gear etc.
Beautiful boat. If I was younger, it would be a fantastic boat for coastal cruising especially AK. For the long haul look and think very carefully.