Chelsea Clock Co Balance Staff #51727 - YOU ARE BUYING ONE STAFF ONLY, the platforms are shown so you can see where the balance wheel is located on a couple of common platforms, one with potance, one without.

This staff fits many of the earlier balance wheels in the platform including the World War two government issue.

Hence, the 12E, 17E and K, plus the US Army message center clock, etc.  It also fits many of the ship's bell

platforms.  We also restaff these if  you don't want to do it yourself.  Also have more Chelsea parts.

Ed the watchdoc, over 40 years experience in timepiece restoration