Series : YACHT MASTER
Model Number : 16623BL
Movement : Automatic
Power Reserve : Caliber Rolex 3135
Case Diameter : 40mm
Factory : Clean Factory / VSF(VS Factory)
Crystal : Scratch-Resistant Sapphire Crystal
Dial Colour : Blue
Strap Colour : Silver
Strap Material : 18kt Gold & Steel
Clasp : Folding Clasp
Crown-Tube Interface on This Reference
A strong crown-tube interface assessment for 16623BL uses more than one observation point. Record equivalent positions and look for a pattern before interpreting a single QC irregularity.
Setting Sequence on This Reference
16623BL should not inherit a conclusion about setting sequence from another watch in the same series. Inspect this exact Blue, 40mm and 18kt Gold & Steel configuration against the matching generation.
Rotor And Bridge Layout Study
Use rotor and bridge layout to challenge the internal consistency of 16623BL. The exterior configuration and the stated Automatic should tell a compatible reference story where this topic intersects them.
Testing Finish Boundaries
Photography can distort finish boundaries on 16623BL. Use a axial macro under neutral light, and lower the evidentiary weight if the apparent difference changes substantially with angle.
Reference-Specific Comparison
Photography can distort reference-specific comparison on 16623BL. Use a side elevation under neutral light, and lower the evidentiary weight if the apparent difference changes substantially with angle.


















Chris Johnson –
The design is what got me interested in the first place. The overall design works nicely with the rest of the design. Overall, I’m pleased with it.