Limited Edition of 25 Pieces. Muhle Glashutte Watch Robert Muhle Moonphase Red Gold Limited Edition M1-11-51-LB. In the companys anniversary year of 2019, Muuhle Glashuuttes manufacturing line is now welcoming its third new complication designed in house. Alongside its new moon phase display, the impressive 42mm large platinum, red gold or stainless steel case of this limited special edition also houses the companys very own up down display and the Muuhle hand date.