Gruen
Guild
14k. gold reinforced with metal
Jaren '20
Mechanisch handopwind
15 jewels
Uurwerk kal. Gruen 835
Swiss
26.5-32.7 x 17 mm

The German Dietrich Gruen emigrated to America mid-19th century, worked as an apprentice in…

Gruen
Veri -Thin
Art Deco
10kt gold filled bezel, Roestvrij staal 'Guildite'
Mechanisch handopwind
15 Jewels
Uurwerk cal. 406SS
Switzerland
ca. 38-29.5 x 27.5 mm (incl. kroon)

This early 40’s Gruen has clearly been influenced…

Gruen
Precision
Roestvrij staal
ca. 1950
Hammerautomaat
17 Jewels
Uurwerk kal. 460SS
Zwitserland
Ø 33.5 mm

The ‘Gruen’ name came into use around the turn of the 20th century, no more additions son, sons or even the for many…