Strap for Heritage Black Bay Chronograph S&G / Black / Bracelet

The lug width of the Tudor Black Bay Chronograph 79363N-0001 is 22mm. This dimension represents the internal distance between the case lugs where the strap attaches, and is standard for 41mm chronographs in the luxury segment. You can verify the measurement by measuring your current strap at the contact points with the lugs, or by using a digital calliper at the internal edges of the case lugs.

For the 79363N-0001, we recommend a vegetable-tanned alligator strap in dark brown, which develops a beautiful natural patina and pairs exceptionally well with the yellow gold case. For a sportier approach, a premium NATO strap in organic cotton or technical polyamide in navy blue offers versatility and water resistance. For intensive use, technical rubber in black or anthracite grey provides comfort and durability during extended wear.

To change the strap, use a spring bar tool with a plastic lever. Position the watch with the lugs facing upward, insert the lever under the metal pin (spring bar) holding the strap, and gently lift to release one end. Repeat on the other side. Insert the pins of the new strap into the lugs, using the spring bar tool to compress the internal spring and secure both ends. Verify that both sides are properly fixed before wearing.

Yes, any high-quality aftermarket strap with a 22mm lug width is fully compatible with the Tudor 79363N-0001. We recommend Italian artisanal straps crafted from premium hides including alligator, vegetable-tanned calf, and shell cordovan, paired with a deployant clasp designed for chronographs. Always ensure the strap accommodates standard spring bars or compatible installation methods.

A high-quality artisanal leather strap, with daily wear, typically lasts 2-4 years before replacement or refinishing becomes necessary. Vegetable-tanned alligator ages gracefully and can function for 5-7 years if properly maintained. Calf leather is more delicate and may wear sooner. Avoid prolonged exposure to water, excessive perspiration, and direct sunlight. Condition the leather periodically with dedicated vegetable oils to maintain flexibility and slow oxidation.