Genuine New Brand Omega Stainless Steel Crown for model Seamaster 300m Gents Mechanical Chronograph.
Will fits to 178.0504, 178.0514, 178.0515, 178.0522, 178.0523
Many crowns available for order.
Screwdown Crown
Diameter 6mm
Depth 4.8mm
Tap 9(0.9mm)
Please feel free to ask any questions