1940s Eterna Big Cushion Stainless Steel Czeck Military Design "Engrave Back"

1940s manufacture Eterna Big Cushion ss Czech military design This is a beautiful piece with a precious engraved back. The Big Cushion Design Screw Back Waterproof Case adopted by the Czech Army and the Luminous Arabic Black Dial with excellent legibility is a gem that attracts a wonderful military taste. The black gilt dial with its original radium luminescence retains its beautiful luster, and the distinctive big cushion case retains its original shape. The back of the watch is a rare early engraved back that differs from the plain back of later models.