Citizen Watch Strap Black Rubber Part # 59-S51058. This item has been DISCONTINUED by the manufacturer. This fits the following timepiece(s): 4-S035872, BN0015-07E, BN0018-09E, 4-S035881, BN0017-01L, BN0019-06L, BN0016-04L, 4-S043280, 4-S043271, BN0015-15E