Casio Watch Case O-Ring 10109494 A genuine Casio factory replacement O-Ring for sealing Casio watch cases.Also known as a gasket, the O-Ring is made from rubber and is used to create an airtight seal.Product Code: 10109494 This Casio O-Ring case seal (gasket) is suitable for the following watch models: BG-50 BG-55 BG-55V BG-591PP BG-60 BG-60BD BG-60L BG-60LV BG-61BD BGR-30 BGR-30BR BGR-30K BGR-30LV BGR-30S BGR-30WH G-300 G-300BWC G-300C G-300G G-300KRT G-300L G-300LV G-300ML G-300SC G-300WC G-301B G-301BR G-301LV G-302 G-302LA G-302LR G-303B G-304EH G-304RL G-306X G-312RL G-313MS G-314RC G-314RL G-315RC G-315RL G-315RLW G-350 G-351 G-353B G-353MS G-354RL G-500 G-500BD G-500FD G-500GD G-500K G-500NM G-500XD G-501FBD G-501FD G501XD G-510 G-510D G-511 G-511D G-520D G-520SCD G-521BD G-521D G-521SCD G-531D G-540D G-541D G-542D G-550FB G-550FD G-600 G-600K G-600SP G-601 G-601LV G-610 G-611 G-611LV G-700 G-700BD G-700D G-700NM G-701 G-701D G-701RD G-701SD G-702BD G-702LV G-731D G-740D G-741D Not suitable for your watch? Enter your watch model in the Search at the top of the page to see the best parts for you.