How To: Seiko SNA411 Battery Replacement

How to, step by step instructions to replace the battery on a Seiko SNA411 Flightmaster watch. Topics covered include removing a solid end link bracelet, opening the caseback, insering the battery (in this case a Renata 399), removing and re-lubricating the caseback gasket, closing the caseback, and setting the watch.
If the chronograph hands are not resetting back to zero after a battery change please see this video (it has the same 7T62 movement as the SNA411):
• Chronograph Hand Align...
If you want to use the alarm function please see the following video (it has the same 7T62 movement as the SNA411):
• How to: Setting the Al...
I'm Colin Potts, owner of Watch off the Cuff in Milton, ON Canada, a boutique watch repair company that repairs watches, sells new and vintage watches and watch parts, and also provides technical resources, watch articles and more:
watchoffthecuf...
The Watch off the Cuff watch repair channel:
/ @watchoffthecuff
My Articles on RegardingLuxury.com:
regardingluxur...
Jakob Eitan Watches:
watchoffthecuf...

[@erikc3057]

Oh my gosh! Thanks for this video! I came here because I want to change my bracelet to a leather band and now I know how to replace the battery! I really appreciate this as I love my Flightmaster!

[@watchoffthecuff]

Amazing!!! So glad it was helpful.
Cheers,
Colin

[@Helixur]

Dude life changing. Many thanks! Cheers

[@watchoffthecuff]

You're welcome!!!!
Cheers,
Colin

[@alistervimba6883]

Thanks for the informative video, my battery went out and l had no clue how and what kind of battery or how to change .

[@watchoffthecuff]

Awesome!!!

[@donth826]

Can't believe no one left a "handwatch" comment.

[@brucesoding9627]

Fantastic thank you ❤

[@watchoffthecuff]

You're welcome!!!!!