Glashütte Original · Senator

Strap for Senator Chronograph Panorama Date Capital Edition Stainless Steel / Grey / Calf / 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
Reference1-37-01-04-02-35
FamilySenator
MovementGlashütte Original caliber 37-01 hours, minutes, small seconds | big date | Chronograph, column wheel, Flyback | power reserve indicator
Year2018
CaseStainless Steel

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 1-37-01-04-02-35

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Senator 1-37-01-04-02-35, seen from the bench

The Glashütte Original Senator Chronograph 1-37-01-04-02-35 features a 42mm stainless steel case with a proprietary caliber 37-01 movement. This chronograph includes hours, minutes, small seconds, date window, column-wheel chronograph, rapid balance, and power reserve indicator. The 21mm lug width ensures balanced proportions between case and wrist without creating the squared configuration of 1990s chronographs. The clean dial design allows immediate readability despite the density of complications, with the date window and chronograph indicators harmoniously integrated.

Frequently asked questions

What is the lug width of the Glashütte Original Senator 1-37-01-04-02-35?

The lug width of the Glashütte Original Senator 1-37-01-04-02-35 is 21mm. This measurement refers to the internal diameter between the lug passages and is essential for identifying strap compatibility. The 21mm specification characterises this particular model and represents a rare configuration that emphasises the proportions of the 42mm case.

What is the best strap for the Glashütte Original Senator 1-37-01-04-02-35?

The best strap depends on intended use and personal preference. For formal contexts, we recommend an alligator with vegetable tanning or shell cordovan: both develop patina over time, enhancing the watch's character. For daily-sporty use, a leather of 1.4-1.6mm thickness offers the best balance between elegance and practicality, whilst a NATO in ballistic nylon enables maximum versatility. The 21mm specification ensures universal compatibility with all our artisanal models.

How do I change the strap on the Glashütte Original Senator 1-37-01-04-02-35?

Strap replacement is a straightforward operation requiring a spring bar tool. Position the watch with the lug facing upwards, insert the tool's sharp tip into the lug's side groove, gently lift to release the internal spring, and remove the strap passage. Repeat on the opposite side. Installation of the new strap proceeds in reverse. If you wish to avoid the risk of damaging the case, it is advisable to entrust the operation to a professional watchmaker or to the Casati Milano atelier by appointment.

Can I use an aftermarket compatible strap on my Senator 1-37-01-04-02-35?

Absolutely. The Glashütte Original Senator 1-37-01-04-02-35 accommodates any artisanal or industrial strap with 21mm lug width. Artisanal straps from milanostraps.it are constructed specifically for this width, guaranteeing precision in lug fitment and fluidity in strap passage. A high-quality aftermarket strap does not compromise the watch's value; rather, it represents a personalisation opportunity that owners of this model rarely find in traditional retail circuits.

How long does a leather strap last on the Glashütte Original Senator 1-37-01-04-02-35?

The lifespan of a leather strap depends on material, tanning method and intensity of use. A quality artisanal vegetable-tanned calf, with moderate daily use, offers 3-5 years of structural reliability. An alligator with vegetable tanning, being denser fibre, can reach 6-8 years. Shell cordovan, thanks to its intrinsic density, easily exceeds 10 years. Occasional use significantly extends these intervals. Proper maintenance (drying after perspiration, annual conditioning with specific natural oils) prolongs strap life. In any case, strap replacement remains an economical and simple operation, allowing the watch's aesthetics to be renewed with minimal investment.

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