Blancpain Fifty Fathoms vs Omega Seamaster Diver 300M
The Blancpain Fifty Fathoms is larger (43 mm against 42 mm), case thickness is not yet recorded for one or both and both are rated to 300 m. The movement is not yet recorded for one or both. Sizes are typical values across each model's references.
| Specification | Blancpain Fifty Fathoms | Omega Seamaster Diver 300M |
|---|---|---|
| Family | Blancpain Fifty Fathoms | Omega Seamaster Diver 300M |
| References recorded | 1 | 12 |
| Case diameter | 43 mm | 42 mm |
| Case thickness | Not yet recorded | 13.49 mm to 14.26 mm |
| Case material | Stainless steel | Stainless steel |
| Water resistance | 300 m | 300 m |
| Crystal | Sapphire | Sapphire |
| Movement | Not yet recorded | Omega calibre 8800, Omega calibre 8806 |
| Functions | Not yet recorded | Not yet recorded |
| Dial colours | Not yet recorded | Black, Blue, White, Grey, Green |
| Introduced | Not yet recorded | Not yet recorded |
| Limited editions | 0 | 0 |
Key differences
- The Blancpain Fifty Fathoms Bathyscaphe 5000 is larger, at a typical 43 mm against 42 mm for the Omega Seamaster Diver 300M Master Co-Axial 42 210.30.42.20.
- The case thickness of the Blancpain Fifty Fathoms Bathyscaphe 5000 is not yet recorded, so the two cannot be ranked on case thickness.
- Both models have a typical water resistance of 300 m.
- The Blancpain Fifty Fathoms Bathyscaphe 5000 has no recorded movement, and the Omega Seamaster Diver 300M Master Co-Axial 42 210.30.42.20 uses 2 different movements across its references.
Blancpain Fifty Fathoms vs Omega Seamaster Diver 300M questions
Which is larger, the Blancpain Fifty Fathoms or the Omega Seamaster Diver 300M?
The Blancpain Fifty Fathoms Bathyscaphe 5000 is larger, at a typical 43 mm against 42 mm for the Omega Seamaster Diver 300M Master Co-Axial 42 210.30.42.20.
Which is thinner, the Blancpain Fifty Fathoms or the Omega Seamaster Diver 300M?
The case thickness of the Blancpain Fifty Fathoms Bathyscaphe 5000 is not yet recorded, so the two cannot be ranked on case thickness.
Which is more water resistant, the Blancpain Fifty Fathoms or the Omega Seamaster Diver 300M?
Both models have a typical water resistance of 300 m.
Which movement does each watch use?
The Blancpain Fifty Fathoms Bathyscaphe 5000 has no recorded movement, and the Omega Seamaster Diver 300M Master Co-Axial 42 210.30.42.20 uses 2 different movements across its references.

