
Condition
Unworn
Set
Original Box
Diameter
45.5mm
Certified Authentic
Every watch is backed by our authenticity guarantee.
Why Collectors Love This
IWC Big Ingenieur Flyback Chronograph IW378402, 3784-02, 3784, 18K rose gold on a strap with an 18K rose gold tang byckle, automatic IWC Calibre 89360 movement, 68-hour power reserve, flyback chronograph complication with minutes and hour totalizers displayed on a single sub-dial, black textured dial with luminous hands and hour indicators, silver sub-dials, small seconds sub-dial at 6 o'clock with inset date aperture, display back, water resistant to 120 meters, sapphire crystal. Diameter: 45.5mm, Thickness: 15mm. Unworn with IWC box and booklets.
The Set
- IWC Box
- EWC Certificate & Warranty
- Included
Specifications
- Reference
- IW378402
- Model
- Big Ingenieur Flyback Chronograph 18K RG UNWORN
- Height
- 45.5mm
- Width
- 45.5mm
- Thickness
- 15mm
- Depth Rating
- 120m
- Movement
- Automatic
- Case Material
- Rose Gold
- Strap Material
- alligator
- Dial Color
- black
- Complications
- Chronograph
European Watch Company Commitment

Authenticity Guaranteed
Certified by experts

Free Global Shipping
FedEx Priority Overnight

2-Day Returns
Easy returns policy

1-Year Warranty
Limited warranty
Shipping
Watches are delivered worldwide with complimentary FedEx Priority Express service and are insured for safe, secure, and fast arrival.
Global delivery: We ship worldwide with full insurance coverage and tracking.
Secure handling: Each watch is carefully and discreetly packed with protective materials, maintaining security and privacy.
Delivery timeline: Most domestic orders arrive the next day with FedEx Priority Express. International shipments typically take 2-4 business days, depending on Customs processing.
Trading
Thinking about trading in your watch? It’s easy! Reach out to our watch specialists to get a free shipping label and details on how we’ll handle your trade-in.
Free Shipping: We provide a prepaid FedEx Priority Express shipping label.
Secure Handling: Send your watch in its original box with protective packaging.
Fast Payment: Once we receive your watch, we will send payment by bank transfer or overnight check to your address, whichever you prefer.
For more detailed instructions, click here to view our full trade-in process.
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