Well, that's pretty much the info I sent you via pm. I'll post it here, others may find it useful too:
If I were to build another 5517, I would buy the complete case set from Ruby. (Request login password via email: infor@rubyswatch.com)
http://www.rubyswatch.com/Products/watch-cases/sub-c5517
Ruby's bezel insert is currently the best, it's also included in the case set:
http://www.rubyswatch.com/products/k15-|-submariner-|-5517-|-bezel-insret-1878
Although not perfect, dial from Ruby too:
http://www.rubyswatch.com/Products/parts/sub-5517
Hands from Yuki:
https://www.yukiwatch.com/catalog/item/6960394/8865330.htm
https://www.yukiwatch.com/catalog/item/6960394/9842879.htm
https://yukiwatch.ecwid.com/Submariner-5517-hand-set-p35282255
702 crown and tube either gen or from Athaya:
http://parts.athayavintage.com/product/aftermarket-702-crown-and-tube/
Movement:
Ruby’s case is for a Gen 1520 movement. Alternatively an ETA2846 with adapter ring from Yuki. Check case dimensions with Ruby first. She may have an adapter too.
https://yukiwatch.ecwid.com/ETA-adaptor-retro-fit-cal-15X0-case-p35063689
Admiralty Grey NATO strap from Phoenix, the original MOD supplier:
https://www.esprit-nato.com/en/phoenix-nato-watch-straps/792-2933-admiralty-grey-phoenix-nato-watch-strap.html#/28-width_lug_buckle-20_mm
Check out the section for modding services here on RWG:
https://rwg.cc/forum/179-repairmodification-services/
Caveat: Some may suggest it, but bon't buy any parts from MQ! He's tricky to deal with at best.
That’s abut it. Good luck!