Strap for Style 34 Stainless Steel / Yellow Gold / Champagne-Diamond / Strap

The lug width of the Tudor Style 12303-0010 is 20 millimetres. This is the internal distance between the spring bar holes on the lugs (case horns) where the strap attaches. This measurement remains constant regardless of the case variant chosen (stainless steel or yellow gold). Verifying this dimension is essential before purchasing an aftermarket strap: an error would result in an incompatible strap or unstable attachment.

For a stainless steel case with blue or black dial, we recommend alligator in black or dark brown with vegetable tanning, which develops natural patina over time. For yellow gold versions, champagne or honey-toned alligator offers aesthetic harmony without visual weight. Alternatively, bordeaux shell cordovan on steel or cognac on gold provides superior tactile density and colour contrast. For daily wear, vegetable-tanned calf with coarse grain maintains the Style's formal proposition whilst ensuring versatility.

The Tudor Style strap is replaced by removing the spring bars that pass through the lugs. Use a spring bar tool to gently compress the internal spring of each bar and extract it from the lug. Proceed carefully to avoid scratching the case. Once both bars are removed, the old strap detaches easily. Align the new strap with the lug holes and reinsert the spring bars, ensuring the spring is correctly positioned and the strap has no abnormal lateral play.

Yes, any strap with a 20-millimetre lug width is compatible with the Tudor Style 12303-0010. Quality aftermarket straps, such as those in alligator, shell cordovan or vegetable-tanned calf, install using the same original spring bars. It is essential to verify that the measurement is precisely 20 millimetres: straps of 19 or 21 millimetres may have insufficient clearance or not fit at all. We recommend consulting the documentation supplied with the strap to confirm compatibility before purchase.

The lifespan of a leather strap depends on the intensity of use and the quality of the material. A high-quality alligator or shell cordovan strap, subjected to moderate daily wear, typically lasts 3–5 years before replacement is required for visible wear. With regular maintenance (gentle cleaning and annual conditioning), the useful life can extend to 6–7 years. Waxed leather ages better than untreated leather, developing aesthetic character over time. Factors such as humidity, frequency of use and sun exposure accelerate the natural ageing of leather.