Crane 3-612 With Button Reproduction Color:Polyurethaned Woodgrain This one has a slight

This one has a slight curve on the portion that goes up against the wall

This one is wider left to right and would not fit your 1620 toilet

Also referred to as 735100 400 020

Tank P/N: 4266

Tank P/N: 01915

Crane 3-612 With Button Reproduction Color:Polyurethaned Woodgrain This one has a slightManufacturer: CRANE Lid P N: 3 612 or 3 20 008 Lid Size: 19. 5" x 9" Tank P N: Tank Size: 18. 75" x 8. 75" This is a reproduction toilet tank lid. These lids are custom designed with sophisticated 3D modeling software and manufactured in North Carolina. It is available as a beautiful sapele wood tank top simply coated with marine grade spar urethane to provide moisture resistance and also available to match any toilet manufacturers original color. The