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Type Xxi
- Box
- Papers
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specification
- Yes
- Yes
- Excellent
- 24 months
- 42 mm
- Automatic
- Steel
- Gray
- 30 meters
24-month warranty GWC®
Free shipping anywhere in the world in 14 days
Free return within 14 days
Breguet Type XXI 3817 – 42mm Steel Pilot Chronograph, Automatic
The Breguet Type XXI 3817 (Ref. 3817ST/X2/3ZU) is a modern tribute to the brand’s legendary aviation chronographs. Featuring a vintage-inspired grey dial with luminous Arabic numerals and a flyback chronograph function, this timepiece embodies precision and heritage.
Housed in a 42mm stainless steel case with a rotating bezel and sapphire crystal, the watch is powered by the automatic Caliber 584Q/2, offering a 48-hour power reserve. Paired with a brown leather strap and steel fold clasp, it blends classic military styling with refined execution.
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certification
WATCH CERTIFICATE X Geneva Watch co
All Geneva Watch Co watches are certified with Watch Certificate™, a digital duplicate of your timepiece, authenticated by our watchmakers and then certified by an independent expert. Insuring your watch collection has never been easier.

The Geneva Watch Company warranty
WARRANTY 2 years
Issued at the time of sale, the GWC Certified Pre-Owned warranty card officially confirms that the watch is genuine on the date of purchase and guarantees its correct operation for a period of 2 years from that date, in accordance with the warranty manual.