Technical Archive

Glashütte Original
Senator 1-58-04-04-05-04— lug 21mm

Glashütte Original Senator 1-58-04-04-05-04: 21mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Senator Chronometer Regulator 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 1-58-04-04-05-04
Lug Width
21 mm

The essential strap measurement.

Browse 21mm straps →
Reference

1-58-04-04-05-04

Movement

Glashütte Original caliber 58-04 Hours, Minutes, Small Seconds | Big Date | Power Reserve Indicator

The Heritage

The Glashütte Original Senator features the in-house caliber 58-04 with indication of hours, minutes, small seconds, big date, and power reserve. The movement offers the essential functions integrated with the characteristic large date display. The case features 21mm lugs for the strap.

FAQ

What is the lug width of the Glashütte Original Senator 1-58-04-04-05-04?

The lug width of the Glashütte Original Senator 1-58-04-04-05-04 is 21mm. This measurement corresponds to the distance between the two attachment points on the case, where the strap is secured via spring bars. It is essential to verify this dimension before ordering an aftermarket strap to ensure a precise and secure fit.

What is the best strap for the Glashütte Original Senator 1-58-04-04-05-04?

For a rose gold timepiece like the Senator, the ideal strap depends on intended usage. Vegetable-tanned alligator or shell cordovan represent classic choices that enhance the warm tone of the precious metal. A vegetable-tanned calf strap offers aesthetic versatility, whilst Jacquard NATO straps allow a more contemporary approach whilst maintaining elegance and sobriety.

How do you change the strap on the Glashütte Original Senator 1-58-04-04-05-04?

Strap replacement is accomplished by removing the spring bars connecting the lugs to the case. Use a dedicated tool to compress the spring bar and extract it gently. Next, insert the new strap by aligning the lateral holes with the spring bars, then reinsert the bar whilst compressing it until it clicks into place. To avoid case damage, we recommend this operation be performed by an authorised service centre.

Is an aftermarket strap compatible with the Glashütte Original 1-58-04-04-05-04?

Yes, any strap with a 21mm lug width is compatible with the Senator 1-58-04-04-05-04. Quality aftermarket straps, crafted from alligator, calf, shell cordovan or fine textiles, guarantee the same aesthetic and functional standards as OEM options. Selection depends on material, tanning method and desired style.

How long does a leather strap last on the Glashütte Original Senator?

The longevity of a leather strap depends on frequency of use, environmental conditions and tanning method. A quality strap—alligator, calf or shell cordovan—with vegetable tanning can endure 3–5 years of daily use, up to 10–15 years if worn intermittently. Proper maintenance, avoiding prolonged moisture and extreme temperatures, significantly extends lifespan.