The limited-edition Glashütte Original Alfred Helwig Tourbillon 1920 (ref. 1-54-01-01-01-01) was released in 2020, with only 25 pieces produced to mark the flying tourbillon's centenary. It features a 40mm rose gold case containing a hand-wound movement with a tourbillon escapement visible through the exhibition case back.
Shape
Round
Lug Distance
19.00 mm
Material
Rose Gold
Glass
Sapphire
Thickness
11.60 mm
Diameter
40.00 mm
Water Resistance
50.00 m
Dial Color
Silver
