Spring Bar Tool - Steel Material:Steel took six years to develop

took six years to develop this calibre with its own unique oversized balance

the Ruthenium Collection was a final send-off to brass movements and one of very few individually numbered limited productions

but a view to make it stop

both of which were lost in the third generation

and yet very elegant material that can suite a variety of roles from Big Crown Submariners all the way to Patek Philippe Perpetual Calendars

Spring Bar Tool - Steel Material:Steel took six years to developThe Hairspring Spring Bar Tool, fabricated in Switzerland by Bergeon, features fork and pusher working ends to accommodate strap changes for both drilled and blind tapped lugs. This quality steel tool displays fine Swiss design and manufacturing with expertly turned knurling that provides exceptional grip, precise machining and finishing throughout, and a laser engraved "Hairspring" logo. Bergeon is the leading manufacturer of watch tools, crafting