The distinction between Swiss and Japanese grade designer watches lies in the choice of steel, the manufacturing methods, and the machinery used. Japanese grade watches are crafted using 316L steel, whereas Swiss grade watches are constructed from 904L Steel. The latter is highly durable, resistant to rust and corrosion, but it comes with a higher production cost and complexity. Swiss grade watches are meticulously crafted using machinery designed to replicate Swiss technology and adhere to Swiss standards. Consequently, they exhibit greater precision and superior finishing.

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