Generic (not genuine) Crown (Waterproof, yellow, square, 3.00 mm, tap 0.90 mm) to fit Omega® (for case number listing see part number OM-069BA42134) Rolex® 310 4mm (3 1/8") heigh x

4mm (3 1/8") heigh x 25

FHF 60 FHF 60-21

calibre # 426/1

Omega® 150

steel colour ring with calendar loupe

Generic (not genuine) Crown (Waterproof, yellow, square, 3.00 mm, tap 0.90 mm) to fit Omega® (for case number listing see part number OM-069BA42134) Rolex® 310 4mm (3 1/8") heigh xGeneric (not genuine) Crown (Waterproof, yellow, square, 3. 00 mm, tap 0. 90 mm) to fit Omega (for case number listing see part number OM 069BA42134) GENERIC (this is not original) Omega Yellow Waterproof Crown, square, diameter 3. 00 mm, fits tube 1. 60 mm, total height of crown 1. 90 mm flush pipe, tap 0. 90. For case number listing see part number OM 069BA42134 *Perrin Supply Ltd is independent of and not affiliated with or sponsored by Omega.