Glashütte Original · Senator

Strap for Senator Hand Date Stainless Steel / Silver / Bracelet

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter40 mm
Reference1-39-58-02-02-14
FamilySenator
MovementGlashütte Original caliber 39-58 hours, minutes, seconds | date
Year2009
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 1-39-58-02-02-14

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Senator 1-39-58-02-02-14, seen from the bench

The Glashütte Original Senator features the in-house caliber 39-58 with hours, minutes, seconds and date indication. The movement showcases the characteristic German three-quarter plate architecture and traditional Glashütte decorations. The case houses a clean dial with classic hands and date window.

Frequently asked questions

What is the lug width of the Glashütte Original Senator 1-39-58-02-02-14?

The lug width of the Glashütte Original Senator 1-39-58-02-02-14 is precisely 20mm. This measurement is integral to the construction and cannot be altered, determined by the proportions of the 40mm stainless steel case. To verify it, use a digital calliper to measure between the internal edges of the integrated lugs. It is essential to respect this specification when selecting a replacement strap, as there is no tolerance for installation variance.

Which strap is most suitable for the Glashütte Original Senator?

The ideal strap depends on your intended use and personal aesthetic. For pure formality, alligator tinted black with vegetable tanning or shell cordovan maintain authentic dress watch heritage. Grained calf leather remains the universal classical choice for this category. For daytime versatility and summer wear, cotton oxford NATO or FKM rubber offer practicality without compromising the watch's visual presence.

How do I safely change the strap on the Senator 1-39-58-02-02-14?

The Senator's strap is replaced using a specialised tool: a spring bar tool with a 1.5–2mm diameter tip. Insert the tool into the small hole of the lug spring, gently compressing it to extract the pin. Once freed from both sides, the old strap separates from the case. Installation of the new strap follows the reverse procedure: insert the pin into one seat, compress the spring, align the opposite seat, and release. It is advisable to work carefully over a soft surface to avoid damaging the steel.

Is a 20mm aftermarket strap compatible with the Glashütte Original Senator?

Yes, any strap with a 20mm lug width is compatible with the Senator 1-39-58-02-02-14. Artisanal quality straps offer a range of materials—from alligator leather to cordovan, from calf to NATO—enabling informed personalisation. Compatibility is guaranteed if the lug width is exactly 20mm; we recommend straps from specialised suppliers that respect this specification to avoid defective attachments or inadequate construction tolerances.

What is the lifespan of a leather strap for the Senator?

The lifespan of a natural leather strap on a Senator dress watch varies according to tanning method and usage patterns. Alligator with vegetable tanning typically resists 3–5 years under intermittent formal wear (3–4 days weekly). Shell cordovan, if properly protected, exceeds 7 years. Grained calf falls between 2–4 years. Longevity depends on factors such as direct sunlight exposure, perspiration, regular cleaning, and resting the strap on days when the watch is not worn. A rubber or NATO strap typically lasts 5–10 years if kept dry and clean.

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