Tudor · Classic

Strap for Classic 38 Stainless Steel / Fluted / White / 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
Reference21010-0007 (aka: M21010-0007)
FamilyClassic
MovementETA caliber 2824-2 hours, minutes, seconds | date
Year2006
CaseStainless Steel

Spring bar

Spring bars for Tudor

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

Straps for the Classic 21010-0007 (aka: M21010-0007)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Classic 21010-0007 (aka: M21010-0007), seen from the bench

The Tudor Classic reference 21010-0007 is equipped with the automatic ETA 2824-2 caliber with hour, minute, second and date indications. The movement offers a power reserve of approximately 38 hours and a frequency of 28,800 vibrations per hour. The case features a traditional three-piece construction with a screw-down crown.

Frequently asked questions

What is the lug width of the Tudor Classic 21010-0007?

The Tudor Classic 21010-0007 features a lug width of 20mm. This measurement represents the distance between the two attachment points on the case where the strap is inserted. It is essential to respect this specification to ensure proper fit without lateral play.

What is the best strap for the Tudor Classic 21010-0007?

The best strap depends on intended use. For formal occasions, we recommend cognac alligator or vegetable-tanned calf with natural patina development. For daily practicality, technical rubber or canvas NATO straps are ideal. Each choice should reflect how you intend to integrate this watch into your routine.

How do you change the strap on this model?

To change the strap on the 21010-0007, remove the current lugs from the case apertures using a spring bar removal tool or small flat instrument. Once the lugs are freed, insert the new spring bars into the new strap and position the lug into the case. Ensure both spring bars are fully seated before wearing the watch.

Which aftermarket straps are compatible with the Tudor Classic?

The Tudor Classic 21010-0007 accepts any strap featuring a 20mm lug width, provided the width is identical. Compatible straps include alligator, calf, rubber, canvas NATO, and all premium materials offered by MilanoStraps in the 20mm category. Compatibility is guaranteed by the lug specification, not by strap manufacturer.

How long does a leather strap last on this watch?

A quality leather strap, used daily, typically lasts 2-4 years before replacement is recommended. Vegetable-tanned leather develops patina over time and ages gracefully. Longevity depends on usage, climate conditions, and maintenance. Premium straps with 18-month warranty provide certainty regarding material and craftsmanship.

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