Gruen (179 819 115) (27)

Is the Caliber 819 the RAREST Gruen Caliber?
Three Gruen models with Style Number 27
The caliber 819 watch is same as the 179, 115 models but has a second hand

This cal 819 model watch is one of only two documented caliber 819 models
Gruen (179 819 115) (27) 05 Gruen (179 819 115) (27) 06 Gruen (179 819 115) (27) 07 Gruen (179 819 115) (27) 08
Gruen (179 819 115) (27) 09 Gruen (179 819 115) (27) 10 Gruen (179 819 115) (27) 11 Gruen (179 819 115) (27) 12
Gruen (179 819 115) (27) 13 Gruen (179 819 115) (27) 01 Gruen (179 819 115) (27) 02 Gruen (179 819 115) (27) 03
Gruen (179 819 115) (27) 04 Gruen 819 27 Engraved bezel 01 Gruen 819 27 Engraved bezel 02 Gruen 819 27 Engraved bezel 03
115 27 from tan Gruen Crystal Catalog SNAG-0032 Gruen Strap 63