The dial is also signed with the Schild name/logo
with blue Arabic Numerals
It is powered by a Japanese quartz movement caliber B612 (Eco-Drive technology)
It was widespread during the WWI
Here is a very neat vintage Swiss automatic wristwatch by Itraco
STEINHART Ocean One GMT Automatic Watch 21 Jewels ETA 2893-2 BLUE-RED Pepsi Bezel Diver Wristwatch Swiss Jorg Gray The dial is also signedSTEINHART Ocean One GMT BLUE RED Diver Automatic Watch Today we have a super nice timepiece! This is a sporty diver STEINHART Ocean One GMT Blue Red Automatic wristwatch. It is a self winding watch powered by an automatic top range movement caliber ETA 2893 2, 21 jewels, sweep second, GMT, date indicator, 28,800bph, 42 hours power reserve, Swiss made. The watch has the black dial with white luminous applied markers, white minute seconds track and