Citizen Watch Band Black Leather 21MM Part # 59-S51018. This item has been DISCONTINUED by the manufacturer. This item fits the following timepiece(s): BL5265-05E, E812M-S033870, E820M-S061806, BL5268-07E, 4-S036771, 59-S51081, 59-S51018, 4-S061822, BL5269-04E, BL5265-21E