P-327 SPRING: 1″ wide, 7/16″ center arbor with pear shape inner hole, outer end has a circular loop in 2¾” coil wire-bound. THIS IS AN ORIGINAL USED SPRING: REPAIRED/RIVETED TWICE: SEVERAL INCHES FROM THE OUTER END and ABOUT 2/3 WAY IN FROM THE OUTER END. Photo of this (not the one in the photo) spring is available by request before purchase.
Please note: Springs are NOT returnable. Extreme caution must be used when working with mainsprings! Not responsible for damages or accidents!
Photo at left shows a similar new spring, displayed for reference, which are no longer available.