Is this a scam? Buying a Seiko watch online using someone’s Ethos discount code

Hi everyone,
I’ve been talking to someone from Ethos Watch Boutiques for about a month regarding a Seiko watch I’ve had my eye on.

Here’s the situation:

• The watch costs ₹45,000.
• He says he can get me a discount using his discount code, bringing it down to ₹36,900.
• This discount is only available online.
• He says I need to make the payment through a payment link he’ll share (not the standard checkout on the Ethos site).

I’m a bit worried this could be a scam because it’s not the usual payment flow, and this is a big amount of money.

Has anyone here ever bought from Ethos using someone’s discount code like this? Is this actually a thing, or a major red flag?

Would really appreciate advice or experiences