Omega® Case Back Gasket ("Sans Fil" polyurethane), inside diameter 21.76 mm, outside diameter 23.00 mm, see all case numbers in description 18mm Material: Genuine leather

Material: Genuine leather

YM24 Epson Quartz Watch Movement YM24 Epson Quartz Watch Movement is a World Time and Alarm movement with 2 hands in the center (hour/minute)

part number 1729 fits Omega® 27 CHRO

fits case numbers 6434

Dimensions are 4-1/2" tip to tip

Omega® Case Back Gasket ("Sans Fil" polyurethane), inside diameter 21.76 mm, outside diameter 23.00 mm, see all case numbers in description 18mm Material: Genuine leatherOmega Case Back Gasket ("Sans Fil" polyurethane), inside diameter 21. 76 mm, outside diameter 23. 00 mm, see all case numbers in description Case Back Gasket Round "Sans Fil" polyurethane, inside diameter 21. 76 mm, outside diameter 23. 00 mm, height 1. 00 mm, to fit Omega case numbers: 5660085, 5660087, 5660088, 5660089, 5960011, 5960012, 5960013, 5960014, 5960017, 5960018, 5960024, 7660818, 7660819, 7960811, 7960812, 7960814, 7960819 *Perrin Supply