Generic Pusher to fit Breitling® PR-B21 Height 4.00 and up 91 mm is used for

91 mm is used for making click springs

O-ring case back gasket to fit Omega® case numbers: 5810

5 1/8" Arabic Diamond Cut Bezel with convex glass

Omega® 098EG0149 crystal gasket 28

Generic Pusher to fit Breitling® PR-B21 Height 4.00 and up 91 mm is used forGeneric Pusher to fit Breitling PR B21 steel threaded pusher, cap diameter 4. 00 mm, cap height 3. 25 mm, thread diameter 2. 45 mm, total length 8. 35 mm *included in assortment SKU: 67 99139, generic (not original) * Perrin Supply Ltd is independent of and not affiliated with or sponsored by Breitling. Breitling warranty does not apply to parts supplied by Perrin Supply Ltd. Using generic crystals may devalue your watch.