Pilot Lewis Hamilton spotted wearing a IWC

Lewis Hamilton was photographed wearing the IWC Aquatimer Chronograph Edition 'Expedition Charles Darwin,' reference IW379503, a piece that sits at the intersection of serious dive-watch engineering and environmental storytelling — two territories Hamilton occupies with notable conviction.

The IW379503 is built around IWC's in-house Calibre 89365, an automatic column-wheel chronograph movement beating at 28,800 vph and delivering a generous 68-hour power reserve. The case measures 44mm in stainless steel, water-resistant to 300 metres, and features IWC's distinctive SafeDive system — an internal rotating bezel operated by a dedicated crown at 9 o'clock, eliminating any risk of accidental external-bezel rotation during a dive. The dial presents applied indices, a slate-toned treatment, and subdials at 3 and 9 for the chronograph minutes and running seconds respectively. The entire package rides on a vulcanised rubber strap that reinforces the tool-watch intent.

The 'Expedition Charles Darwin' edition was created in partnership with the Charles Darwin Foundation and the Galápagos Conservation Trust, with IWC contributing to preservation efforts in the Galápagos Islands. That provenance elevates the reference beyond a standard Aquatimer variant — it represents a documented moment in IWC's ongoing conservation collaborations, which have also included the Cousteau Society and Galapagos editions. Among collectors, the Charles Darwin pieces are regarded as among the more purposeful and narratively coherent of the Aquatimer limited runs, appreciated for the cause behind them rather than artificial scarcity alone.

Hamilton has been an IWC brand ambassador since 2013, and his appearances in the brand's campaigns have reinforced a relationship that goes well beyond contractual obligation. His choice of the Darwin Chronograph — rather than a flashier Portugieser or Pilot's Watch — speaks to a deliberate alignment with the watch's ecological mission, consistent with his public campaigns around sustainability and plant-based advocacy.

At a UK RRP of approximately £7,200 (roughly $9,000 USD at prevailing rates), the IWC Aquatimer Chronograph IW379503 represents fair value for an in-house column-wheel chronograph with 300-metre water resistance. On the secondary market, examples trade close to or slightly below retail, making this a collector entry point with genuine horological substance rather than mere celebrity association.