Genuine Omega® fourth wheel, part number 1243, fits Omega® 30 T 1, Omega® 30 T 2, Omega® 260, Omega® 261 Mido® crowns with screw for electronic watches Outside Diameter of Crown (mm)

Outside Diameter of Crown (mm) 4

Omega® 681

used with Hermle (FHS) movements 1151

replacement for RLX 29-208-8

Graver Sharpener Graver is placed in either of two angled openings and rolled over flat oilstone to sharpen (oilstone not supplied)

Genuine Omega® fourth wheel, part number 1243, fits Omega® 30 T 1, Omega® 30 T 2, Omega® 260, Omega® 261 Mido® crowns with screw for electronic watches Outside Diameter of Crown (mm)Genuine Omega fourth wheel, part number 1243, fits Omega 30 T 1, Omega 30 T 2, Omega 260, Omega 261 * Perrin Supply Ltd is independent of and not affiliated with or sponsored by Omega. Omega warranty does not apply to parts supplied by Perrin Supply Ltd.