i have talk about 18k swiss case
a Benzinger in steel can build for $3.500
i order a movement from Benzinger (he get me special prices 50% under list) and take exact same case, dial, hands set, box and strap like Benzinger. He bought all his parts from same german factorys like me.
Buy the way... this Seiko looks nice... but the case of watch looks like on $100 Seiko watches