Genuine Omega® friction spring for sweep second pinion, part number 1255, base cal. 470 (see all calibres in description) Omega® bezel claw screws 6 0mm with a thickness

6 0mm with a thickness of 3

FHS Aluminum Dial 8" Roman Chapter Ring an FHS Hermle aluminum dial that has an outside diameter of 204mm (8") and an inside diameter of 127mm (5")

7 3/4" Square Needle File Cut 4 Swiss Pattern is a square file

Wittnauer 5D

18 x 460 (18")

Genuine Omega® friction spring for sweep second pinion, part number 1255, base cal. 470 (see all calibres in description) Omega® bezel claw screws 6 0mm with a thicknessGenuine Omega friction spring for sweep second pinion, part number 1255 Fits calibres: Omega 470 Omega 471 Omega 500 Omega 501 19p Omega 501 20p Omega 502 Omega 504 Omega 505 * 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.