Omega® Case Back Gasket ("Sans Fil" polyurethane), inside diameter 27.26 mm, outside diameter 28.50 mm, see all case numbers in description taps 05 mm (height) plastic crystal

05 mm (height) plastic crystal with steel colour ring

Mixed Hand Washers are brass and come in varying sizes and hole styles (square and round)

85 mm (height) round plastic crystal with steel colour ring

roller to fit Jaeger LeCoultre® calibres: 840

Colour identified heads for quick selection

Omega® Case Back Gasket ("Sans Fil" polyurethane), inside diameter 27.26 mm, outside diameter 28.50 mm, see all case numbers in description taps 05 mm (height) plastic crystalOmega Case Back Gasket ("Sans Fil" polyurethane), inside diameter 27. 26 mm, outside diameter 28. 50 mm, see all case numbers in description Case Back Gasket Round "Sans Fil" polyurethane, inside diameter 27. 26 mm, outside diameter 28. 50 mm, height 0. 75 mm, to fit Omega case numbers: 891, 893, 1710, 1711, 1715, 1713, 1717, 2741, 2742, 2794, 2795, 2796, 3516, 3633, 5264, 1680068, 1680075, 1681201, 1960286, 1960750, 3671400, 3680865, 3680875,