Glashütte Original · Senator

Strap for Senator Chronograph Panorama Date Platinum / Silver / 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
Reference1-37-01-02-03-50
FamilySenator
MovementGlashütte Original caliber 37-01 hours, minutes, small seconds | big date | Chronograph, column wheel, Flyback | power reserve indicator
Year2014
CasePlatinum

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 1-37-01-02-03-50

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Senator 1-37-01-02-03-50, seen from the bench

The Glashütte Original Senator Chronograph Panorama Date ref. 1-37-01-02-03-50 is a 42mm platinum sports chronograph featuring the caliber 37-01 in-house movement with 28,800 vph, 42-hour power reserve, and flyback function. The three-counter dial includes date and small seconds. Designed with a 21mm lug width for robust strap compatibility, the platinum case offers exceptional corrosion resistance and natural aging patina. This timepiece exemplifies contemporary Saxon watchmaking craftsmanship through visible engineering details visible via the transparent caseback.

Frequently asked questions

What is the lug width of the Glashütte Original Senator 1-37-01-02-03-50?

The Glashütte Original Senator reference 1-37-01-02-03-50 features a lug width of 21 millimetres. This measurement is taken horizontally between the poles of the spring bar fixture located in the lug slots of the case. A width of 21mm is the standard specification for this model and ensures compatibility with the extensive range of aftermarket artisanal straps available.

Which strap would you recommend for pairing with the Senator platinum?

For a Senator in platinum, we primarily recommend a strap crafted from vegetable-tanned alligator in dark tones (black, smoke grey, deep cognac). These materials mirror the inherent nobility of the platinum case and develop a natural patina that enhances the character of the timepiece over time. Valid alternatives include shell cordovan or English calf leather with crust finish for less formal contexts.

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

Strap replacement on the Senator is performed using a spring bar tool with a pointed tip or a dedicated two-pronged removal tool. Insert the sharp point into the spring bar slot beneath the pole until the spring flexes laterally, releasing the lug from the bar. Repeat the procedure from the opposite side. Once both poles are extracted, the previous strap is free to remove. Position the new strap by aligning the lug width to the slots and pressing until the spring bar engages.

Is the original strap from the 1-37-01-02-03-50 compatible with aftermarket alternatives?

Yes, the original Glashütte Original strap for the 1-37-01-02-03-50 utilises a standard 21mm spring bar fixture, fully compatible with any aftermarket strap of identical width. Numerous artisanal manufacturers offer solutions in superior materials (alligator, shell cordovan) and bespoke finishes whilst maintaining complete mechanical compatibility.

What is the lifespan of a quality leather strap on a timepiece like the Senator?

A leather strap crafted from vegetable-tanned material, such as quality alligator or shell cordovan, typically lasts 4–6 years under daily wear conditions. Longevity depends on environmental factors (relative humidity, salt-air exposure), frequency of wear and maintenance practices (periodic cleaning, drying following perspiration exposure). Calf leather straps generally span 3–4 years; nylon NATO solutions exceed 7–8 years of reliable service.

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