Grade 411

Bridge model, nickel plates, pedant set, ruby and sapphire jewels, polished and damaskeened winding wheels, one piece recoil spring click, micrometer nut and regulator, double roller escapement, steel escape wheel, tested on half time without hair spring, finely finished throughout, carefully timed and tested after being cased, shipped in elegant display box. Total production 47000.

There are 2 types of damasking for this grade: