I was hoping you guys might have some input as to the authenticity of this MK40. Serial#57431791. I have the original box but the cards are nowhere to be found and I was wanting to get some more information on what I have. Any help would be appreciated. Thanks!

 

Watch is ok. No worries.

 

Seems good to me, even though the photo's aren't very good. Look for a little button that should be present on the left side of the case—you can set the date with this. Crown and pushers seem correct, bracelet is correct 1562 with 850 end links.

 

Serial number: 57431791
Article ref: 35205000

Looks legit.

Cheers, Al

 

Nice! I appreciate everybody's input, thank you very much! Have a great holiday!

-John

 

That is used to adjust the day of the week, not the date.

 

Should've been been more precise there, indeed