Genuine Casio replacement rubber packing/o-ring in black. 
 
Made for the following model(s):
AW-510RX-N5AVT, AW-510-1AV, AW-510RX-N4AVT, AW-510M-8A, AW-510CG-8AV, AW-510US-3BV, AW-510RX-N8AVT, AW-510US-4AV, AW-510US-2BV, AW-510RX-N9AVT, AW-510US-9AV, AW-510USB-1BV, AW-510USB-9BV, AW-510USB-5AV, AW-510USB-2AV, AW-510USB-4BV,
 
EF-558DC-1AV, EF-558D-1AV, EF-134D-1A2V, EF-554SP-1AV,, EF-554D-7AV, EF-554D-1AV, EF-134D-7AV, EF-544DB-1AV, EF-134D-1AV, EF-134DB-7AV, EF-558SG-1AV, EF-558D-7AV, EF-558D-2AV, 
 
G-1250G-1A,  G-1200B-1A, G-1250D-1A, G-1250BD-1A, G-1200G-1A, G-1250B-1A, G-1200D-1A, G-1200BD-1A,
 
GA-110SGH-4A, GA-110SGG-3A, GA-110JDB-1A4, GA-400GB-1A9, GA-400CM-4A, GA-140-6A, GA-120TR-7A, GA-110SLV-1AW, GA-110RD-4A, GA-110NM-9A, GA-110NC-6A, GA-110LP-1A, GA-110LN-3A, GA-110HT-8A, GA-110DDR-7A, GA-110CC-2A, GA-100MM-3A, GA-100LY-1A, GA-100LT-1A, GA-100GBX-1A9, GA-100CX-4A, GA-100BW-1A, GA-140GM-1A1, GA-140GB-1A2, GA-140GB-1A1, GA-100TMN-1A, GA-140AR-1A, GA-400A-6A, GA-110PM-1A, GA-400A-9A, GA-400A-2A, GA-400HR-1A, GA-110HR-1A, GA-110B-4, GA-110B-3, GA-110B-2, GA-110B-1A3, GA-100CM-5A, GA-110BC-2A, GA-110CM-1A, GA-110BC-7A, GA-100CF-1A9, GA-100A-7A, GA-110C-7A, GA-100-1A4, GA-110B-1A2, GA-100-1A2, GA-100-1A1, GA-100CF-1A, GA-100B-4A, GA-100A-9A, GA-100B-7A, GA-100C-8A, GA-100C-4A, GA-100C-1A3, GA-100C-1A4, GA-110C-1A, GA-110AC-7A, WVA-320J-1E, GA-100LG-8A, GA-100CF-8A, GA-110BC-8A, GA-100CM-4A, GA-100GD-9A, GA-100CS-9A, GA-100CM-8A, GA-100CS-7A, GA-110BC-9A, GA-100MC-1A4, GA-110BR-5A, GA-100MC-1A, GA-110AC-4A, GA-110A-9, GA-100SD-8A, GA-100MC-2A, GA-100MC-3A, GA-110A-4, GA-110-1A, GA-110-1B, GA-110TS-1A4, GA-110FC-2A, GA-110CM-3A, GA-120B-1A, GA-120A-7A, GA-110CM-8A, GA-110F-2, GA-110CS-4A, GA-110CM-9A, GA-110EV-6A, GA-110DR-1A, GA-110EH-8A, GA-110SN-7A, GA-110HC-2A, GA-110HC-1A, GA-110GB-1A, GA-110GW-7A, GA-110GBG-7A, GA-110GD-9A, GA-110SN-3A, GA-110LB-7A, GA-110LA-7A, GA-110HC-6A, GA-110SG-4A, GA-110NE-9A, GA-110MH-7A, GA-110MR-4A, GA-110RG-7A, GA-110RF-9A, GA-110RG-1A, GA-110FC-1A, GA-120-1A,  GA-113B-1A, GA-120LA-7A, GA-120BB-1A, GA-150-1A, GA-111DR-7A, GA-110TS-8A2, GA-110TS-8A4, GA-110TS-8A3, GA-310-1A, GA-150-7A, GA-303B-1A, GA-150A-3A, GA-150MF-7A, GA-150A-2A, GA-150MF-1A, GA-150A-4A, GA-150BW-1A, GA-150MF-8A, GA-200SH-8A, GA-300MMM-8A, GA-200SH-2A, GA-200BW-1A, GA-200-1A, GA-200SH-1A, GA-200RG-1A, GA-200GD-9A, GA-300GD-9A, GA-201BA-1A, GA-201-1A, GA-200SPR-1A, GA-300-1A, GA-300BA-1A, GA-300A-5A, GA-300A-2A, GA-300-7A, GA-300A-1A, GA-400-1B, GA-400-1A, GA-310-4A, GA-310-2A, GA-400-4A, GA-400-2A, GA-400-7A, GA-400-4B, GA-400-9A, GA-400-9B, GA-110GD-9B2, GA-110GD-9B, GA-200GD-9B, GA-110MB-1A, GA-200GD-9B2, GA-100MB-1A, GA-110DN-4A, GA-110DN-6A, GA-110SL-8A, GA-110SL-3A, GA-110TR-7A, GA-110SL-4A, GA-201TR-7A, GA-110SLB-7A, GA-140MG-1A, GA-100DA-4A, GA-110SKE-8A, GA-140CT-1A, GA-120LH-7A, GA-110JOP-1A4, GA-140DC-1A, GA-110LS-7A, GA-110LS-1A, GA-110NM-4A, GA-110NM-2A, GA-110NM-3A, GA-110HT-2A, GA-400CS-7A, GA-110HT-1A, GA-110HT-7A, GA-400CS-9A, GA-110NC-2A, GA-110BW-1A, GA-110LC-7A, GA-110CB-1A, GA-100CB-1A, GA-201RD-4A, GA-200CB-1A, GA-110DC-1A, GA-110DC-2A7, GA-100MM-8A, GA-110DC-2A, GA-100MM-5A, GA-400GB-1A4, GA-400GB-1A, GA-120TRM-7A, GA-100MRB-1A, GA-120TR-4A, GA-110WB-7A, GA-120TR-1A, GA-110TP-7A, GA-110TP-1A, GA-400LY-1A, GA-110LY-1A, GA-100L-1A, GA-100L-7A, GA-100L-4A, GA-100L-2A, GA-100L-8A, GA-110MC-1A, GA-110MC-4A, GA-110LP-3A, GA-110MC-7A, GA-110LPA-1A, GA-110MC-2A, GA-110LPA-4A, GA-110LP-7A, GA-110TX-2A, GA-110TX-7A, GA-110TX-1A, GA-400CX-4A, GA-110VLA-4A, GA-110LD-7A, GA-100CG-7A, GA-100CG-1A, GA-100BBN-1A, GA-100CG-2A, GA-110LN-8A, GA-110LN-2A, GA-110LN-1A, GA-110DB-7A, GA-110EW-4A, GA-400WG-7A, GA-110WG-7A, GA-100ST-2A, GA-400BY-1A,GA-100BY-1A, GA-110BY-1A, GA-100DE-2A, GA-135A-1A, GA-110PC-1A, GA-100GBX-1A4, GA-110LE-7A, GA-100VLA-4A, GA-110BT-1A, GA-100BT-1A, GA-110LT-1A, GA-100MW-7A, GA-110MW-7A, GA-400CM-1A, GA-110CR-7A, GA-110CR-4A, GA-110CR-2A, GA-400GBX-1A4, GA-400GBX-1A9, GA-110SLV-1A, GA-110APE-5A, GA-135DD-1A, GA-110FRG-7A, GA-400CC-2A, GA-100BR-1A, GA-100TCB-1A, GA-110MMC-1A, GA-100MMC-1A, GA-100BL-1A, GA-400SK-1A4, GA-400SK-1A9, GA-100RS-2A, GA-110RB-1A, GA-100RS-4A, GA-110SLA-1A, GA-140-2A, GA-140-1A4, GA-140-1A1, GA-140-4A, GA-110GBX-1A, GA-140BMC-1A
 
GAX-100MSA-2A, GAX-100MA-2A, GAX-100B-7A, GAX-100MB-4A, GAX-100B-1A, GAX-100A-7A, GAX-100MB-3A, GAX-100X-4A,  GAX-100MSA-3A, GAX-100MSA-4A, GAX-100MSB-1A, GAX-100CSB-3A,  GAX-100CSA-2A, GAX-100CSA-4A, 
 
GBA-400-2C, GBA-400-4A, GBA-400-3B, GBA-400-2A, GBA-400-1A9, GBA-400-1A, GBA-400-4C, GBA-400-4B, GBA-400-8B, GBA-400-7C, 
 
GD-120MB-1, GD-120CS-6, GD-120CS-1, GD-120BT-1,GD-120N-1B3, GD-120N-1B2, GD-120N-1B4, GD-120TS-3, GD-120TS-2, GD-100HC-1, GD-100GB-1, GD-100MS-1, GD-110-2, GD-100HC-4,, GD-100BW-1, GD-100-1B, GD-100-1A, GD-110-1, GD-101NS-1, GD-100PS-3, GD-100NS-7, GD-100MS-3, GD-100WW-7, GD-100RF-4, GD-100SC-7, GD-100SC-6, GD-100SC-1, GD-120TS-1, GD-120CM-8, GD-120CM-5, GD-120CM-4, GD-110-7, GD-120NC-4, GD-120NC-2, GD-120LM-1A, 
 
GLS-100-7, GLS-100-1, GLS-100-5, GLS-100-3, GLX-150X-7, GLX-150-4, GLX-150-2, GLX-150-1, GLX-150-7, GLX-150CI-1, GLX-150B-6, GLX-150B-3, 
 
GM-100VB-9, GM-100LV-7, GM-100VW-8, GM-100VJ-1, GM-100D-9,  GM-100D-8, GM-100-1A, GM-100D-4, GM-100-8, GM-100-2,
 
GW-3000D-1A, GW-3000B-2A, GW-3000B-1A, GW-3000G-1A,  GW-3500G-1A, GW-3500D-1A, GW-3000M-4A, GW-3500B-1A, GW-3500BD-1A, GW-3500BB-1A, GW-3500B-1A2, GW-3500B-2A, GW-3000BD-1A, GW-3000BB-1A, 
 
MRG-7000DJ-1A, MRG-7100BJ-1A, 
QW-3400KT-06TK, QW-3400KT-05TK, QW-3400KT-04TK, 
WVA-320DJ-1E,