Technical Archive

Glashütte Original
Senator 1-58-03-01-04-50— lug 21mm

Glashütte Original Senator 1-58-03-01-04-50: 21mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Senator Chronometer White Gold / Silver / Alligator / Folding

Artisanal Note

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

Technical Specifications

Glashütte Original 1-58-03-01-04-50
Lug Width
21 mm

The essential strap measurement.

Browse 21mm straps →
Reference

1-58-03-01-04-50

Movement

Glashütte Original caliber 58-03 Hours, Minutes, Small Seconds, Day / Night Indication | Big Date | Power Reserve Indicator, Chronometer

The Heritage

The Glashütte Original Senator 1-58-03-01-04-50 is a 42mm white gold watch from the historic Senator line, rooted in 1950s German watchmaking tradition. It houses the certified chronometer Glashütte Original 58-03 caliber with hours, minutes, small seconds, day/night indication, and power reserve display. The case features characteristic Glashütte stripes and a display caseback. The 21mm lug width accommodates replacement straps and is essential for proper strap fitment. Alligator leather is recommended for this white gold model.

FAQ

What is the lug width of the Glashütte Original Senator 1-58-03-01-04-50?

The lug width of the Senator 1-58-03-01-04-50 is 21 millimetres. This measurement is essential for selecting a compatible replacement strap and must be measured precisely between the two lateral attachment points of the case, at the exact location where the strap connects to the watch.

What is the best strap for a white gold Glashütte Original Senator?

For a white gold Senator, black or dark brown alligator represents the finest aesthetic choice, emphasising the luminosity of the case. Calf leather with vegetable tanning offers versatility and develops a natural patina over time. For sports applications, a high-density cotton NATO strap provides practicality whilst maintaining elegance.

How do you change the strap on a Glashütte Original Senator 1-58-03-01-04-50?

The strap is changed by removing the lateral spring bars using a dedicated tool. Position the watch on a soft cushion, locate the small holes at the ends of the lugs, insert the spring bar tool to compress the internal pin and extract it. Insert the new 21mm strap and ensure it is secured firmly before wearing the watch.

Are there aftermarket straps compatible with the Senator 1-58-03-01-04-50?

Yes, all straps with a 21mm lug width are compatible with the Senator 1-58-03-01-04-50. Milano Straps offers a collection of artisanal straps in alligator, shell cordovan, calf leather and NATO, specifically curated for luxury horology. Compatibility is guaranteed by the standard 21mm measurement.

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

A high-quality leather strap (alligator, calf, shell cordovan) typically lasts 3-5 years with moderate daily use, depending on exposure to perspiration, moisture and sunlight. A vegetable-tanned leather strap develops a natural patina and can last longer with regular maintenance. NATO or rubber straps offer greater longevity, lasting up to 7-10 years.