Tudor · Classic

Strap for Classic 38 Stainless Steel / Diamond / Black-Diamond / Bracelet

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter38 mm
Reference21020-0008 (aka: M21020-0008)
FamilyClassic
MovementETA caliber 2824-2 hours, minutes, seconds | date
Year2008
CaseStainless Steel

Spring bar

Spring bars for Tudor

The right category for this model · choose the 20 mm size

Straps for the Classic 21020-0008 (aka: M21020-0008)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Classic 21020-0008 (aka: M21020-0008), seen from the bench

The Tudor Classic 21020-0008 is a 38 mm stainless steel sports watch from the Classic collection, featuring an ETA caliber 2824-2 movement. It offers hours, minutes, seconds, and date functions with water resistance suitable for daily wear and light marine environments. The 20 mm lug width ensures compatibility with a full range of aftermarket straps.

Frequently asked questions

What is the lug width of the Tudor Classic 21020-0008?

The Tudor Classic 21020-0008 features a lug width of 20 mm. This measurement is crucial for aftermarket strap compatibility. To verify the width, measure the distance between the two horizontal lugs on the case, or consult the technical documentation provided with the watch.

Which strap is best suited for the Tudor Classic 21020-0008?

The ideal strap depends on usage and personal preference. For formal contexts, we recommend alligator or vegetable-tanned calf leather, which emphasise the model's understated elegance. For everyday wear, a NATO strap or soft calf offers practicality and natural patina development over time. For aquatic activities, an FKM rubber strap with stainless steel deployante buckle is the optimal choice.

How do you change the strap on a Tudor Classic?

Obtain a spring bar tool (an instrument for removing the lugs). Position the tool beneath the lug pin, apply gentle upward pressure to compress the internal spring, then remove the old strap. Insert the new strap onto the first lug pin, compress the spring with the tool, and guide the lug pin into the hole. Repeat on the second lug pin. Verify that the strap is correctly aligned before wearing the watch.

Which aftermarket straps are compatible with the 21020-0008?

All straps with a 20 mm lug width are compatible. The milanostraps.it collection offers straps in alligator, calf, taurillon, shell cordovan, ballistic canvas, NATO, and FKM rubber. It is essential to verify that the lug pins on the strap are of the correct length to avoid excessive tension on the case.

How long does a leather strap last on a watch like the Tudor Classic?

Durability depends on material and usage patterns. A quality vegetable-tanned calf strap offers 2-4 years of moderate daily wear. Alligator leather, being more resistant, can last 4-6 years. Shell cordovan, thanks to its superior density, easily reaches 5-8 years. Regular maintenance (avoiding excessive moisture, occasional conditioning) significantly extends lifespan. The milanostraps.it warranty covers 18 months against manufacturing defects.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only