Genuine Omega® roller with polished angles, dia. of large roller 3.55 mm, part 066, Omega® base calibre 15 (see all calibres in description) Height 0.50 - 0.99 Dimensions are 3-1/2" x 3-1/2"

Dimensions are 3-1/2" x 3-1/2" x 1-3/8"

For pocket watches

Clock Key 4 Branch Odd is a 4 branch clock key for odd sizes: 5

Genuine Rolex® winding pinion

Genuine Omega® roller with polished angles, dia. of large roller 3.55 mm, part 066, Omega® base calibre 15 (see all calibres in description) Height 0.50 - 0.99 Dimensions are 3-1/2" x 3-1/2"Genuine Omega roller with polished angles, diameter of large roller 3. 55 mm, part number 066 Fits calibres: Omega 15 Omega 15 NN Omega 17 Omega 17 NN Omega 18 P Omega 18 EP * 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.