Glashütte Original · Senator

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

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
Reference1-94-03-04-04-04
FamilySenator
MovementGlashütte Original caliber 94-03 Hours, Minutes, Small Seconds | Big Date | Tourbillon Escapement
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 1-94-03-04-04-04

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

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

The Glashütte Original Senator features the in-house caliber 94-03 with a tourbillon escapement and big date display. The movement indicates hours, minutes, small seconds, and offers the signature large date indication typical of the German brand. The watch has 21mm lugs and a case with the traditional finishing of the Glashütte manufacture.

Frequently asked questions

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

The lug width of the Glashütte Original Senator 1-94-03-04-04-04 is 21mm. This measurement is taken internally between the two case lugs and is critical for strap compatibility. Precise measurement is essential, as even minor variations (0.5mm) can compromise proper fit and secure connection.

Which strap is most suitable for the Glashütte Original Senator 1-94-03-04-04-04?

For the Senator 1-94-03-04-04-04 in white gold, we recommend straps in alligator leather in dark brown, grey, or blue-grey variants, which harmonise naturally with the precious case. Vegetable-tanned calf leather is excellent for those who appreciate the patina that develops over time. For versatility, canvas NATO straps in black, charcoal, or navy maintain formality whilst allowing frequent changes.

How do you change the strap on a Glashütte Original Senator?

The strap is changed using a dedicated tool (spring bar tool) to remove the elastic pins securing the strap to the case lugs. Insert the tool tip at the small slot on the lug, lift slightly to release the pin, then extract the strap. This operation requires care to avoid scratching the white gold case. If uncertain, consult a qualified watchmaker.

Is an aftermarket strap compatible with the Glashütte Original Senator 1-94-03-04-04-04?

Yes, any strap with a 21mm lug width is compatible with the Senator 1-94-03-04-04-04. Quality aftermarket straps (premium leather, certified NATO, FKM rubber) do not compromise functionality or damage the case if installed correctly. Always verify the lug width before purchase.

What is the average lifespan of a leather strap on a Glashütte Original Senator?

A premium leather strap (alligator, calf) typically lasts 3-5 years with moderate daily wear, provided it receives periodic maintenance (cleaning, conditioning with natural oils, drying after moisture exposure). Prolonged exposure to humidity, chlorine, detergents and UV rays accelerates ageing. Fine leathers develop an appealing patina that enhances appearance, whilst edge wear and buckle fatigue follow a natural progression.

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