Glashütte Original · Senator

Strap for Senator Tourbillon White Gold / Grey / Alligator / Pin

Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width21 mm
Case diameter42 mm
Reference1-94-03-04-04-02
FamilySenator
MovementGlashütte Original caliber 94-03 hours, minutes, small seconds | big date | tourbillon escapement
Year2015
CaseWhite Gold

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Senator 1-94-03-04-04-02

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Senator 1-94-03-04-04-02, seen from the bench

The Senator houses the Glashütte Original 94-03 caliber with tourbillon escapement and large date. The movement offers indication of hours, minutes, small seconds and magnified date. The case features 21mm lugs.

Frequently asked questions

What is the exact lug width of the Glashütte Original Senator 1-94-03-04-04-02?

The lug width of the Glashütte Original Senator 1-94-03-04-04-02 is 21mm. This measurement determines the compatible strap width and ensures correct aesthetic proportions on the 42mm case. Before purchasing an aftermarket strap, always verify this measurement by measuring the distance between the inner shoulders of the case lugs.

Which strap should I pair with the Glashütte Original Senator in white gold?

For the white gold Senator, we recommend straps in grey or black alligator with vegetable tanning, or structured calf leather with fine grain. These materials maintain the sober elegance of the precious case and allow natural patina development over time. For daily wear, a brown shell cordovan seasons sublimely, creating a fascinating contrast with white gold. FKM rubber straps are also available for formal sporting contexts.

How do I change the strap on the Glashütte Original Senator 1-94-03-04-04-02?

The change occurs through the case lugs. With a spring bar tool, insert the flat tip towards the inside of the lug and compress the internal spring, sliding the spring bar end out of its seat. Repeat for both sides. Some Senators feature straight lugs, others curved ones: measure the interior before ordering the strap to ensure correct compatibility. If you are not familiar with this procedure, consulting an atelier guarantees precision and case protection.

Can I use a quality aftermarket strap on my Glashütte Original Senator?

Yes, provided it is certified for 21mm lug width and made with durable materials. Handcrafted straps in superior vegetable-tanned leather offer longevity of 5-8 years and develop characteristic patina that enhances the watch. Choose straps from specialised suppliers: the Senator deserves constructive quality consistent with the calibre 94-03 and Saxon manufacture.

How long does a leather strap last before needing replacement?

A vegetable-tanned leather strap of superior quality lasts an average of 5-8 years if exposed occasionally to humidity and sweat. With daily use (40-50 hours per week) and proper maintenance (monthly cleaning, protection from standing water), the fibre remains intact for up to 6 years. The keeper tends to wear before the lugs. Accelerating factors: frequent bathing, tropical climates, excessive sun exposure. Superior quality aftermarket leather strap ages with nobility: replacement is an aesthetic choice rather than a technical necessity.

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