Hi chaps, Will a MS with c/s of 1mm x 0.1mm be too weak for Seiko 6309 dive watch? Cheers Bry
B bry1975 · Registered Joined Apr 1, 2010 · 1,608 Posts Discussion Starter • #1 • 8 mo ago Hi chaps, Will a MS with c/s of 1mm x 0.1mm be too weak for Seiko 6309 dive watch? Cheers Bry
I IMeasure · Registered Joined Jul 2, 2015 · 1,738 Posts #2 • 8 mo ago The replacement 6309 mainspring is: 1.05 x .115 x 420 x 10.5 Automatic Product code at Cousinsuk.com is GR2534X. I would just buy that knowing its definitely going to work.
The replacement 6309 mainspring is: 1.05 x .115 x 420 x 10.5 Automatic Product code at Cousinsuk.com is GR2534X. I would just buy that knowing its definitely going to work.
Jayv007 · Registered Joined Sep 29, 2019 · 118 Posts #3 • 7 mo ago This is good on a 6306 as well, correct?
I IMeasure · Registered Joined Jul 2, 2015 · 1,738 Posts #4 • 7 mo ago Jayv007 said: This is good on a 6306 as well, correct? Click to expand... Yes and it fits a number of other seiko Cals See here....
Jayv007 said: This is good on a 6306 as well, correct? Click to expand... Yes and it fits a number of other seiko Cals See here....
