Technical Archive

Glashütte Original
Senator 1-36-02-02-05-30— lug 21mm

Glashütte Original Senator 1-36-02-02-05-30: 21mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Senator Excellence Perpetual Calendar Red Gold / Silver / Alligator / Folding

Artisanal Note

"This model requires a precise 21mm lug width to preserve the original sartorial balance."

Technical Specifications

Glashütte Original 1-36-02-02-05-30
Lug Width
21 mm

The essential strap measurement.

Browse 21mm straps →
Reference

1-36-02-02-05-30

Movement

Glashütte Original caliber 36-02 Hours, Minutes, Seconds | Big Date, Day, Leap Year, Month, Perpetual Calendar | Moonphase

The Heritage

The Senator with reference 1-36-02-02-05-30 is equipped with the Glashütte Original caliber 36-02 with a complete perpetual calendar including a leap year indication and moon phases. The movement displays hours, minutes, seconds with a large date, day, and month through the perpetual calendar mechanism. The case features 21mm lugs for the strap.

FAQ

What is the lug width of the Glashütte Original Senator 1-36-02-02-05-30?

The lug width is 21mm, measured between the inner edges of the two attachment holes on the case. This measurement must be verified using a digital calliper before ordering a strap, as manufacturing tolerances may vary slightly on vintage examples.

What is the best strap for the Senator in rose gold 42mm?

For the Senator 1-36-02-02-05-30 in red gold, we recommend alligator in vegetable tanning with a dark brown or hazel tone, which reinforces the Saxon aesthetic and allows natural patina development. Alternatively, shell cordovan in vegetable tanning develops deep patina and offers superior durability. Full-grain calf remains the versatile option for those seeking understated modernity.

How do I change the strap on the Senator 1-36-02-02-05-30 without damaging the case?

Remove the deployant clasp from the case using a dedicated spring bar tool. Place the watch on a soft cloth to prevent scratching. Carefully extract the old strap by pressing the lateral springs of the lugs. Insert the new 21mm strap while maintaining balanced tension on both sides, ensuring the springs click correctly into the holes. We recommend this procedure be performed by specialist ateliers.

Does the Senator 1-36-02-02-05-30 accept compatible aftermarket 21mm straps?

Yes, the Senator accepts all straps with a 21mm lug width that meet European manufacturing standards. We recommend artisanal brands that respect rigorous construction protocols: thickness 3.5-4.5mm to maintain case proportions. Always verify that the original or compatible deployant is in rose gold for aesthetic coherence.

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

An alligator or calf strap of quality with vegetable tanning lasts 4-6 years with moderate daily wear, 6-8 years with occasional use. Shell cordovan reaches 8-10 years. Durability depends on sun exposure, ambient humidity, and conditioning frequency. We recommend seasonal rotation with NATO straps to extend leather strap lifespan.