Genuine ETA® 2890 timed annular balance for shock absorber and stud support, part 721 (40.050.213), see all Omega® calibres in description Watch Band Recommendations Sold in box of 100

Sold in box of 100

fits Omega® case REF 1660209

part # 57240

Thickness: 3mm

48 Link Clock Chain

Genuine ETA® 2890 timed annular balance for shock absorber and stud support, part 721 (40.050.213), see all Omega® calibres in description Watch Band Recommendations Sold in box of 100Genuine ETA timed annular balance for shock absorber and stud support Etachron, part number 721 (40. 050. 213) Fits calibres: ETA 2890 ETA 2892 2 Omega 1120 Omega 1128 Omega 1138 Omega 1221 Omega 2200 Omega 2200A Omega 2200B Omega 3220 * Perrin Supply Ltd is independent of and not affiliated with or sponsored by ETA. ETA warranty does not apply to parts supplied by Perrin Supply Ltd.