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 Alignment Seiko 7T62   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 Alarm on a Seiko 7T62 ...   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: https://watchoffthecuff.com/ The Watch off the Cuff watch repair channel:    / @watchoffthecuff   My Articles on RegardingLuxury.com: https://regardingluxury.com/author/co... Jakob Eitan Watches: https://watchoffthecuff.com/collectio...