Glashütte Original · Senator

Strap for Senator Tourbillon White Gold / Paved / 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
Reference1-94-03-06-40-50
FamilySenator
MovementGlashütte Original caliber 94-03 hours, minutes, small seconds | big date | tourbillon escapement
Year2020
CaseWhite Gold

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 1-94-03-06-40-50

Selected for the 21 mm lug width · workshop selection

All 21 mm straps →

The Senator 1-94-03-06-40-50, seen from the bench

The Glashütte Original Senator features the in-house caliber 94-03 with tourbillon escapement and large date display. The movement offers hour, minute, small seconds and enlarged date indications. The watch has 21mm lugs and traditional German construction.

Frequently asked questions

What is the lug width of the Glashütte Original Senator 1-94-03-06-40-50?

The lug width of the Glashütte Original Senator 1-94-03-06-40-50 is precisely 21mm. This dimension is determined by the proportion between the 42mm case diameter and the profile architecture. To measure the lug width accurately, position a digital calliper between the spring bar holes in absolute perpendicular alignment. An incorrect measurement compromises strap compatibility.

What is the best strap for the Glashütte Original Senator 1-94-03-06-40-50?

The best strap depends on intended usage and aesthetic preference. For formal occasions, Mississippi alligator with vegetable tanning offers evolving patina over time and chromatic harmony with white gold. Vegetable-tanned calf leather in cognac tone creates timbral continuity with the sunburst dial finish. For sporting occasions, fine-grained rubber maintains a discreet profile. Shell cordovan represents the pinnacle for those accepting long-term investment, as it develops specular patina within six months.

How do I change the strap on a watch with 21mm lugs?

Strap replacement requires a specialised tool: a strap changer or spring bar remover. Position the watch with the lug facing upward and insert the remover into the spring bar hole, applying gentle downward pressure. The spring bar will release, freeing the lug. Reverse the procedure to install the new strap, ensuring the spring bar is correctly seated in both holes. Never force: if resistance is encountered, verify alignment.

Which aftermarket straps are compatible with the Glashütte Original Senator 1-94-03-06-40-50?

Any strap with 21mm lug width is compatible. Milano Straps offers a curated selection of Tuscan leather, alligator, shell cordovan, NATO and rubber in this measurement. All proposed straps are designed to ensure a fluid transition between lugs without creating play or excessive pressure. Always verify that the buckle or deployant clasp is dimensioned for 21mm width.

How long does a leather strap last on a watch like the Glashütte Original Senator 1-94-03-06-40-50?

Longevity depends on tanning method, usage and maintenance. A vegetable-tanned calf strap used daily resists for 3-5 years before replacement. Alligator offers greater longevity (5-7 years) due to skin structure. Shell cordovan is even more durable (7-10 years) but requires conditioning treatment every 12-18 months. Exposure to water, perspiration and UV rays accelerates ageing. A well-maintained strap narrates the watch's usage history by developing patina.

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