My friend wanted a seiko sarb on a budget so I made him one from a seiko 5. NH36, double dome sapphire with purple AR, snkk81 case and bracelet, snkk71 dial, aftermarket
Seiko 5 automtic - 21jewels for $280 for sale from a Private Seller on Chrono24
Seiko 5 SNKK81 Men's Stainless Steel Black Dial Day Date Automatic Watch | eBay