Glashütte Original · Senator
Strap for Senator Cosmopolite Red Gold / Silver / Alligator / Folding
Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Senator 1-89-02-01-05-61
Selected for the 21 mm lug width · workshop selection
Cognac Mohawk Leather Strap€95
Hammered Calfskin Watch Strap Green with Ecru Stitching€98
Saffiano Taupe Strap€90
Black and Yellow Driver Leather Strap€130
Swift Topo Leather Strap€120
The Senator 1-89-02-01-05-61, seen from the bench
Frequently asked questions
What is the lug width of the Glashütte Original Senator 1-89-02-01-05-61?
The Glashütte Original Senator 1-89-02-01-05-61 features a 21mm lug width. This dimension is specifically calibrated to suit the proportions of the 44mm case, ensuring optimal aesthetic balance. Verify by measuring the internal space between the two lugs at the base: it must correspond precisely to 21mm.
Which strap material is most suitable for the Glashütte Original Senator 1-89-02-01-05-61?
For the Senator in red gold, we recommend alligator leather using vegetable tanning (chocolate brown, cognac, or black) for maximum material consonance with the case. Shell cordovan is a durable alternative (8–12 years) with naturally developing glossy patina. For intensive daily wear, vulcanised FKM rubber ensures waterproofing and wear resistance. Technical NATO is a contemporary, less formal option.
How do I change the strap on a Glashütte Original Senator?
Position yourself with the spring bar tool perpendicular to the lug. Locate the access hole on the internal side, insert the tool, and push laterally to compress the internal spring. The lug will slide out easily once the spring is depressed. When reinserting the strap, ensure that the passanterie and spring anchorage are properly aligned. Test with gentle movements: the strap must not oscillate on the lugs.
Can I fit an aftermarket quality strap on the Senator 1-89-02-01-05-61?
Yes, high-quality aftermarket artisanal straps are entirely compatible. Verify that the lug width is exactly 21mm, that thickness does not exceed 6–7mm (to avoid obstruction of the lug wall), and that any passanterie slides smoothly on the lugs without resistance. Straps constructed with vegetable-tanned leather, alligator, or cordovan will ensure aesthetic coherence with the red gold.
What is the lifespan of a leather strap on the Glashütte Original Senator?
A quality artisanal alligator or calf leather strap typically lasts 5–8 years with regular wear, depending on frequency of use and ambient humidity. Shell cordovan reaches 8–12 years thanks to its exceptional material density. Regular maintenance (gentle cleaning and application of natural balm every six months) significantly extends longevity. FKM rubber straps generally last 5–7 years before showing reduced flexibility.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
