Blak-Ox Silver/Gold Oxidizer 3 oz LeCoultre® 880G see case numbers inside

see case numbers inside

fits case number 7021

winding key for movement to fit Jaeger LeCoultre® calibres: 210

Double cut top and bottom - one edge is single cut

Blak-Ox Silver/Gold Oxidizer 3 oz LeCoultre® 880G see case numbers insideBlak Ox DRY produces the darkest smooth deep black patina on silver and gold. Add 3oz of hydrochloric acid to the powdered contents. (Hydrochloric acid can be purchased as muriatic acid at hardware and pool supply stores). Dilute with water for shades of gray. Works on silver, gold, copper, brass, and bronze. Do not use on Aluminum. If not sealed properly Blak Ox will oxidize the closest metals. We recommend that you double bag the bottle and store