Genuine Omega® third wheel, part 1240, Omega® base calibre 320 (see all calibres in description) 20mm Watch Bands 05 mm (height) magnified mineral

05 mm (height) magnified mineral crystal with anti-reflecting coating

50 mm (thick) round flat sapphire crystal

00 mm (top) / x 32

Omega® 565

Hand dimensions: 150/90/32/32 (hour/minute/sweep second/indicators)

Genuine Omega® third wheel, part 1240, Omega® base calibre 320 (see all calibres in description) 20mm Watch Bands 05 mm (height) magnified mineralGenuine Omega third wheel, part number 1240 Fits calibres: Omega 27 CHRO Omega 27 CHRO C12 Omega 27 CHRO PC AM Omega 320 Omega 321 Omega 860 Omega 861 Omega 863 Omega 864 Omega 865 Omega 866 Omega 910 Omega 911 Omega 1861 Omega 1863 Omega 1866 * 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.