ronin007 0 Posted May 7, 2014 Quick question to make sure,whats the lug size on a 1665 double red sea dweller please,thinks it 20mm,not sure,thanks Share this post Link to post Share on other sites
Brad737 0 Posted August 14, 2014 Definitely 20mm...for a 9315 bracelet. Share this post Link to post Share on other sites