Glashütte Original · Senator

Strap for Senator Chronograph Panorama Date Stainless Steel / Black / Rubber - 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
Reference1-37-01-03-02-33
FamilySenator
MovementGlashütte Original caliber 37-01 hours, minutes, small seconds | big date | Chronograph, column wheel, Flyback | power reserve indicator
Year2017
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 1-37-01-03-02-33

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Senator 1-37-01-03-02-33, seen from the bench

The Glashütte Original Senator 1-37-01-03-02-33 is a 42mm stainless steel chronograph featuring the automatic caliber 37-01 with column wheel, flyback function, power reserve indicator, and date display. The watch has a 21mm lug width and sapphire caseback revealing the movement. This classic Saxon instrument combines precision mechanics with refined proportions suitable for demanding wrists.

Frequently asked questions

What is the lug width of the Glashütte Original Senator 1-37-01-03-02-33?

The lug width of the Glashütte Original Senator 1-37-01-03-02-33 is 21mm. This dimension represents the distance between the two horizontal lugs (pins) on the case: it is the fundamental parameter for ensuring compatibility with any aftermarket strap. Precise measurement with a digital calliper is advisable before any strap purchase.

Which strap is recommended for the Senator 1-37-01-03-02-33?

For the Senator 1-37-01-03-02-33, the most authentic solution is a 21mm alligator strap with vegetable tanning: the natural grain pattern dialogues perfectly with the severity of the stainless steel case and develops an ennobled patina over time. A vegetable-tanned calf leather represents a more compact alternative; NATO straps in textile offer contemporary versatility; technologically advanced rubber ensures functionality without aesthetic compromise. Choice depends on primary usage and personal colour preferences.

How do you change the strap on a Glashütte Original Senator 1-37-01-03-02-33?

Changing the Senator 1-37-01-03-02-33 strap requires extraction of the horizontal pins (spring bars) from the lugs. Use a dedicated tool (spring bar tool) to compress the pin downward: this permits disengagement from the groove and strap removal. Position the new 21mm strap by engaging one end first, then insert the compressed pin into the other lug until locked. Proceed with caution to avoid scratching the case: if inexperienced, a professional watchmaker is the recommended choice.

Are aftermarket straps compatible with the Senator 1-37-01-03-02-33?

Yes, all straps designed for 21mm lug width are compatible with the Senator 1-37-01-03-02-33, regardless of strap brand. Quality artisanal straps (featuring premium leather and refined finishing) represent a significant upgrade over OEM solutions: they maintain structural compatibility whilst offering materials and craftsmanship sometimes superior to the original strap. Always verify lug width before purchase.

How long does a leather strap last on the Senator 1-37-01-03-02-33?

A quality leather strap (alligator or vegetable-tanned calf) on the Senator 1-37-01-03-02-33 has an average lifespan of 4-6 years with daily use, provided adequate maintenance: avoid prolonged water exposure, excessive humidity and intense direct sunlight. Vegetable tanning develops a natural patina that extends aesthetic appeal even beyond structural functionality. A technologically advanced rubber strap can exceed 7-8 years. Periodic replacement is physiological and recommended to maintain watch elegance.

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