IWC Portofino Chronograph IW391029 – Black Dial – Full Set
IWC Portofino Chronograph — IW391029
An elegant Swiss automatic chronograph combining the timeless design of IWC's Portofino collection with the engineering and craftsmanship of traditional mechanical watchmaking.
This example features a black dial, polished stainless-steel case, chronograph functions, and day-date display. Its understated design makes it equally suitable for formal occasions and everyday wear.
Condition & Completeness
Pre-owned, carefully inspected by NEXO Timepieces.
Full set with original box, documentation, and accompanying accessories.
IWC factory warranty extended through July 15, 2028, subject to the manufacturer's terms.
Actual photographs of the timepiece and accompanying set are provided.
Performance & NEXO Documentation
The movement has been evaluated using professional timegrapher measurements, including additional positional testing.
Dial-up measurement, fully wound:
Rate: +4 seconds/day
Amplitude: 279°
Beat error: 0.0 ms
These figures represent a measurement snapshot, not a guarantee of daily-wear accuracy or future mechanical performance. Additional measurements are available upon request.
The NEXO Commitment
Every NEXO timepiece is evaluated with attention to mechanical performance, condition, authenticity, and provenance.
Carefully packaged and shipped fully insured, with shipping included.
Interested in this timepiece?
Contact NEXO Timepieces for additional information or purchasing arrangements.
