MT Magni-Tite with Calendar Window Round Plastic Crystal (27.50 mm to 35.00 mm)

Plastic crystal with reflector/tension ring (yellow or white, please specify colour required) and a calendar magnifying window. When ordering please provide (1) diameter and (2) distance from the post of hands to the center of the magnifying window (8.50 mm, 9.00 mm, 9.50 mm, 10.00 mm, 10.50 mm, 11.00 mm, 11.50 mm)