**IWC Big Ingenieur Chronograph** This timepiece combines heavy-duty engineering with fine watchmaking. A watch for those who want a true chronograph tool with the elegance to double as a statement piece — robust for everyday use, refined for evenings. 45.5mm stainless steel case on factory leather strap with IWC steel buckle. Powered by IWC’s in-house Calibre 89360 with 68h power reserve and flyback chronograph functionality. Guilloché dial, lumed indexes and sapphire display back. Complete set with box and papers. Reference IW378401 More pictures: [https://imgur.com/a/ZzzkWAX](https://imgur.com/a/ZzzkWAX) $6,750 plus shipping 🛫 All watches shipped FedEx fully insured. Local pickup available in Los Angeles area. 💬Positive feedback from hundreds of successful transactions across the watch community, including WUS, Chrono24, eBay, Facebook, and Reddit. I’m always happy to connect by phone or video call to answer questions or verify details. Zelle, Venmo and wire accepted. ⭐150+ five-star reviews on Chrono24 — buy with confidence. ⌚I have a wide range of exceptional watches available, with new pieces added every week.