Technical Archive

Glashütte Original
Senator 1-36-02-04-02-33— lug 18mm

Glashütte Original Senator 1-36-02-04-02-33: 18mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Senator Perpetual Calendar Bucherer Blue

Artisanal Note

"This model requires a precise 18mm lug width to preserve the original sartorial balance."

Technical Specifications

Glashütte Original 1-36-02-04-02-33
Lug Width
18 mm

The essential strap measurement.

Browse 18mm straps →
Reference

1-36-02-04-02-33

Movement

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

The Heritage

The Senator with reference 1-36-02-04-02-33 represents the high complication of Glashütte Original in the perpetual calendar segment. It mounts the manufacture caliber 36-02 that manages hours, minutes, seconds, big date, day, month, leap years and moon phases. The movement integrates a mechanical perpetual calendar with complete indication of the time functions.

FAQ

What is the lug width of the Glashütte Original Senator 1-36-02-04-02-33?

The Senator 1-36-02-04-02-33 features an 18mm lug width. This measurement must be taken internally between the two lugs of the case. Inaccurate measurement will compromise strap compatibility and mechanical fit at the wrist.

Which strap is recommended for the Glashütte Original Senator 1-36-02-04-02-33?

Alligator leather with vegetable tanning, high-quality calf with natural patina, or NATO fabric straps are all ideal choices. Alligator emphasises the formal geometry of the case, calf offers chromatic versatility, whilst NATO ensures durability in less formal environments. All must feature 18mm lug width.

How do I correctly change the strap on the Senator 1-36-02-04-02-33?

Use a spring bar tool or bone toothpick to remove the strap. Position the tool from inside the lug, compress the spring bar downward and gently pull the strap outwards. Insert the new strap ensuring the spring bar is fully seated. Verify proper fit before wearing the watch.

Can I use aftermarket straps on the Glashütte Original Senator 1-36-02-04-02-33?

Yes, the Senator 1-36-02-04-02-33 accepts 18mm aftermarket straps from any manufacturer, provided they feature standard spring bars compatible with the original lugs. Quality certification is recommended to avoid damage to the bars and case. Milano Straps curates a selection of 18mm straps tested on this model.

What is the expected lifespan of a leather strap on the Glashütte Original Senator?

A quality leather strap (alligator or vegetable-tanned calf) typically lasts 3–5 years with daily wear, depending on climate, rotation frequency and maintenance. NATO canvas straps last longer (5–7 years), whilst FKM rubber degrades gradually under prolonged sunlight exposure. Proper care (cleaning, drying, strap rotation) significantly extends longevity.