Hello, I am a new guy on here. I am not new to watches having been a watchmaker for close to 40 yrs. I am semi-retired at this point and have recently(the past two years) been collecting Seikos. My log on is accutronner, and have been collecting and restoring them since their release. I have found that finding parts for the more collectible models is more challenging than the actual job of repair. My most recent project is a 6105-8119 that fell in my lap so to speak. Its a long story, and if you are interested you can PM me. When I found out what it was, I was a very lucky guy that day, I was going to restore for my personal use, and as such was going to overhaul, fit sapphire crystal and gaskets and put on a ballistic strap and call it a day. Now that my circumstances have changed and need to sell, I was hoping I could get advice on restoring for sale. After cleaning and restoration the watch would rate easily a 90% conservatively. Finished on the wrist it would look new. What I need help with, is for sale would it make a difference if I just go ahead with the sapphire and the strap, or should I try to find a NOS crystal and waffle strap. Which changes would bring a better return? I know how particular collectors feel about OEM as apposed to restoration, no matter how well it is done. So, any advice would be appreciated. Also, if anyone here on the forum has or supplies parts, I would show them preference instead of someone on ebay. Thanks for listening.