Glashütte Original · Senator

Strap for Senator Excellence Panorama Date Moonphase Stainless Steel / Blue / Bracelet

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
Reference1-36-04-04-02-71
FamilySenator
MovementGlashütte Original caliber 36-04 Hours, Minutes, Small Seconds | Big Date | Moonphase
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 1-36-04-04-02-71

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Senator 1-36-04-04-02-71, seen from the bench

The Glashütte Original Senator features the in-house caliber 36-04 with hours, minutes, small seconds, big date, and moon phase display. The watch has 21mm lugs and is constructed according to the Saxon manufacturer's standards. The movement offers the classic high-end complications with the brand's signature big date.

Frequently asked questions

What is the lug width of the Glashütte Original Senator 1-36-04-04-02-71?

The lug width of the Glashütte Original Senator 1-36-04-04-02-71 is 21mm. This measurement is taken from the inner shoulder of one lug to the other. Ensure that any strap you intend to purchase is explicitly compatible with this 21mm specification for correct and secure mounting.

Which strap is most suitable for the Glashütte Original Senator 1-36-04-04-02-71?

We recommend alligator leather in dark brown with natural patina, which accentuates the dial geometry and preserves the Saxon elegance. Valid alternatives include vegetable-tanned calf leather (which ages beautifully), NATO in linen for practicality, or vulcanised rubber for intensive daily use. Your choice should reflect your intended use: formal, casual, or sports-oriented.

How do I change the strap on the Glashütte Original Senator 1-36-04-04-02-71?

Strap replacement requires a spring bar tool (a small screwdriver with Y-slot or dedicated removal pliers). Located near each lug, the spring bars anchor the current strap. Using the tool, apply gentle leverage to extract the spring bar from its seat, remove the worn strap, and align and insert the new one. The bar will click into position when properly secured. For uncertainty, consult a professional watchmaker.

Can I use an aftermarket strap compatible with 21mm lugs?

Yes, any strap designed for 21mm lug width is compatible with the Glashütte Original Senator 1-36-04-04-02-71, provided construction quality is high. Artisanal leather straps in premium materials (alligator, calf, shell cordovan) guarantee longevity and comfort. Always verify that spring bars have matching protrusion depth and that stitching is uniform and deep throughout.

How long does a leather strap last on the 42mm Senator case?

Longevity depends on leather quality and intensity of use. An artisanal alligator or vegetable-tanned calf strap under moderate daily wear maintains structural integrity for 4–6 years. Factors accelerating wear include prolonged water exposure, sustained humidity, and extreme temperature fluctuations. Regular maintenance—gentle cleaning, proper drying, and specific conditioning creams—significantly extends lifespan. When the strap shows edge cracking or stitching failure, replacement is due.

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