Glashütte Original · Senator

Strap for Senator Excellence Panorama Date Moonphase Red Gold / Silver / Alligator / Folding

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
Reference1-36-04-02-05-61
FamilySenator
MovementGlashütte Original caliber 36-04 Hours, Minutes, Small Seconds | Big Date | Moonphase
CaseRed 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 1-36-04-02-05-61

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Senator 1-36-04-02-05-61, 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 functions. The movement showcases the brand's characteristic large date display. The watch comes with 20mm lug width.

Frequently asked questions

What is the lug width of the Glashütte Original Senator 1-36-04-02-05-61?

The lug width of the Glashütte Original Senator ref. 1-36-04-02-05-61 is 20mm. This measurement refers to the distance between the inner shoulders of the watch case lugs. To verify, remove the original strap and measure the width of the spring bar seats with a digital calliper – you will find exactly 20mm. This dimension is critical when purchasing aftermarket straps, as even minor variations will compromise mechanical fit.

What is the best strap for the Glashütte Original Senator 1-36-04-02-05-61?

The choice depends on wearing context. For primarily formal use, we recommend a natural alligator strap in cognac or pearl grey: the linear texture and absence of irregular grain reflect German manufacturing precision. For versatile daily wear, vegetable-tanned calf in black or brown offers balance between nobility and practicality. Those seeking environmental resistance without aesthetic compromise will choose structured FKM rubber. A NATO canvas strap provides a deliberate stylistic inversion towards vintage-sport aesthetics. For maximum formality, aged shell cordovan or a rose gold deployant buckle create complete aesthetic cohesion with the case.

How do you change the strap on the Senator 1-36-04-02-05-61?

Changing the Senator strap requires removal of the spring bars. Obtain a spring bar tool with appropriate tips: insert the tip into the lateral slot of the spring bar, push toward the centre of the case until the spring retracts inward, then extract the bar. Repeat on both sides. Align the new strap with the seats and reintroduce the spring bars by applying pressure until they engage. Verify the strap is secured symmetrically. If the original strap features a deployant buckle, you may transfer it to the new compatible strap.

What type of aftermarket strap is compatible with the Glashütte Original Senator 1-36-04-02-05-61?

Any strap with 20mm lug width is compatible with the Senator 1-36-04-02-05-61, regardless of material. Recommended materials include: natural alligator (uncompromising elegance, ageing patina), vegetable-tanned calf (daily versatility), shell cordovan (rarity and superior patina), structured rubber (durability and practicality), canvas NATO (sporty stylistic inversion). Avoid straps with lug width under 20mm (will not fit) or over 20mm (will damage the seats). Always verify lug width before purchase.

What is the average lifespan of a leather strap for the Glashütte Original Senator?

Leather strap lifespan depends on usage frequency, environmental conditions and specific material. Natural alligator, properly maintained, lasts 5-8 years with daily wear. Vegetable-tanned calf resists 3-5 years, developing characteristic patina that increases aesthetic value with ageing. Shell cordovan, owing to fibre density, may last 8-10 years or longer. Structured FKM rubber offers superior longevity (10+ years) with minimal maintenance. Factors reducing lifespan: prolonged humidity exposure, perspiration, extreme temperatures. Factors extending lifespan: periodic cleaning, rapid drying, storage in dry environment, rotation among multiple straps.

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