Black Bay GMT &
Black Bay GMT &
Black Bay GMT &
Black Bay GMT &
Black Bay GMT &
Black Bay GMT &

Tudor Black Bay GMT 'On the Fly' Extension Link

Regular price$119.99
  • Worldwide shipping available

Add a new dimension of comfort and functionality to your Tudor with our ‘on the fly’ extension link.

Wrist expansion in warm weather or intense exercise is a common occurrence. Don’t let this stop you from wearing your Black Bay.

By allowing you to instantly adjust your bracelet length by +/- 5mm without any tools, our extension link ensures your watch will always fit comfortably. 

  • Installs using a 1.4mm screwdriver

  • Snap shut design holds your watch securely 

  • Machined to a tolerance of just 0.002mm using the same high quality 316L stainless steel as the Black Bay range

  • Brushed finish with mirror polished sides

  • Edges featuring the riveted bracelet’s iconic grooved detailing

  • Blends seamlessly with your existing bracelet

  • A completely reversible and damage-free modification 


This extension link will fit the following models:

M79830RB-0001 BB GMT

We take pride in the quality of our products. Each link is meticulously machined to meet OEM Tudor standards. We are confident that our products are unparalleled in terms of quality and craftsmanship.

But don't just take our word for it. We stand behind our products with a Satisfaction Guarantee. If for any reason you are not completely satisfied with your purchase, you can return it for a full refund or exchange.

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Customer Reviews

Based on 25 reviews
PLA (Härnösand, SE)
Very crisp and snappy action.

It does what it promises.

Ryan (Fort Worth, US)

Fits perfectly. Looks good. Functions as advertised.
I can now comfortably wear this watch in all seasons.

David S. (Philadelphia, US)
Extension link

Link works perfectly, very helpful in adjusting bracelet.

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