Hi, my friend here are some answers:
By: amanico : August 3rd, 2019-00:17
The Tribute Duo is bigger: 47, 8 x 28, 3 mm and 10, 3 mm high, and the dial is a bit different. Look at the small seconds subdial at 6, on the blue ( which is a Tribute Duo ) and compare it to the Red, which is a Tribute Small Seconds... You will also see...