Hopefully stress means that you won't be able to do it properly anyway, which means coercion is useless.
The real problem is the device stores the password, so the real defence is the tamperproof-ness of the device, not whether you can be tricked or coerced into outputting the sequence.
The real problem is the device stores the password, so the real defence is the tamperproof-ness of the device, not whether you can be tricked or coerced into outputting the sequence.