They are made for the Rolex 380B Oyster watch band # 93150 5512 5513 1680 watch which takes spring bars for the 20mm end piece. 17MM 18MM 19MM 20MM 21MM 22MM 23MM 24MM 26MM. 19MM CUSTOM STRAP END PIECE JUBILEE FOR ROLEX DATE 114200 114210 114270 114300.
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