This is a very cool issued military watch, housed in a 43mm steel case with a rotating black bezel. It was issued to the German Bundeswehr (Federal Defence Force), commonly referred to as “BUND.” These watches are highly sought after by military watch collectors, and this particular example is a highly desirable chronograph.

The matte case is in excellent condition, and the case back features the original German military markings: 6645-12-146-37xx, along with a nicely functioning rotating bezel. The black dial includes the highly coveted red ‘3H’ marking, which signifies Hydrogen-3 — more commonly known as tritium.

This encircled 3H was a requirement set by the military. The dial also features bold Arabic numerals painted in zinc-sulfide tritium, though most of this lume has been washed off by a watchmaker over time, as is often seen with these military pieces.

We’ve paired this cool mil-chrono with our new Falco Bund Strap, just launched on the website over here.

Inspired by the original straps these watches came on — commonly known among collectors as “Bund straps.” Fun fact: The German Defence Forces actually refer to these as "Armband mit Doppelstoppeinrichtung" — arguably the most German phrase ever. Loosely translated, it means "strap with double stop device."

About our new strap:

The Falco Bund Strap - Thin Grey Goat Skin

This unique strap is the first creation from our 10 Year Strap Contest, co-designed and named after Falco Kober. Together, we brought history and passion to life.
We’re proud to share this strap with you - the ultimate companion for your chronograph.

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The Thin FALCO BUND Strap - just 2 mm of soft goatskin comfort. Tone-on-tone, subtle stitching, with a twist of olive-grey and orange.  Heritage in every detail. Minimal. Timeless. Perfect for daily wear.

This Heuer and its flyback movement have been fully serviced by our watchmaker and is ready for action.

Military proof build, wanted by collectors lets get a deal!

Specifications:

Heuer Chronograph Reference 1550SG 3h dial ”Bund”
Issued to the German defence forces
43mm matted steel Case
Original “Bund “ case back engraving :6645-12-146-37xx
serial 23xx dating to the 1970s
Tritium bold Arabic hour markers ,circle 3H logo in red
Flyback chronograph Valjoux 230 movement
Rotating bezel
Coming on the shown Bulang and sons “Falco Bund“ strap , inspired by the original Bundes wehr or “BUND” leather straps
Fully serviced by our watchmaker
One-year mechanical warranty
Free worldwide Fedex Priority shipping

Heuer Bundeswehr 1550SG 3H Chronograph

Heuer Bundeswehr 1550SG 3H Chronograph

Before/after