Technical Archive

Glashütte Original
Senator 1-36-04-03-02-71— lug 21mm

Glashütte Original Senator 1-36-04-03-02-71: 21mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Senator Excellence Panorama Date Moonphase Stainless Steel / Grey / Bracelet

Artisanal Note

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

Technical Specifications

Glashütte Original 1-36-04-03-02-71
Lug Width
21 mm

The essential strap measurement.

Browse 21mm straps →
Reference

1-36-04-03-02-71

Movement

Glashütte Original caliber 36-04 Hours, Minutes, Small Seconds | Big Date | Moonphase

The Heritage

The Glashütte Original Senator Excellence Panorama Date Moonphase is a 42mm stainless steel model with a 21mm lug width, part of the historic Senator collection launched in the 1950s. It features the automatic calibre Glashütte Original 36-04 with a 72-hour power reserve and chronometer certification. The dial displays hours and minutes at center, small seconds at 6 o'clock, an annual date window at 12 o'clock, and a moonphase indicator, all visible through a domed sapphire caseback.

FAQ

What is the exact lug width of the Glashütte Original Senator 1-36-04-03-02-71?

The lug width of the Glashütte Original Senator 1-36-04-03-02-71 is precisely 21mm. This measurement represents the distance between the two lateral pins that attach the strap to the lugs of the case. On a 42mm diameter, a 21mm lug width creates the ideal proportion between case and strap, maintaining perfect aesthetic integration without mechanical play.

Which strap material is most recommended for the Glashütte Original Senator?

Genuine alligator represents the supreme choice for the Senator: the natural texture of epidermal scales provides tactile quality without competing with case details. Alternatively, vegetable-tanned leather on calf chest develops natural patina over time with golden hues. For pure formal contexts, shell cordovan from horse rumps offers exceptional constructive rigidity and intrinsic lustre. A 1.4mm nylon NATO remains versatile for explicitly sporting requirements.

How do you change the strap on a Glashütte Original Senator 1-36-04-03-02-71?

Strap replacement occurs via the spring bars positioned at the case sides. Using a dedicated tool (strap removal bar), apply gentle pressure on the spring bar to disengage it from the lug, permitting extraction of the worn strap. The new strap is inserted by aligning the pins with the lugs and compressing the spring bar slightly until perceptible engagement. A delicate operation requiring focus to avoid case scratching.

Are there compatible aftermarket straps for this reference?

Yes, any strap with 21mm lug width is theoretically compatible with the Glashütte Original Senator 1-36-04-03-02-71. However, we recommend constructive reliability and material quality: inferior straps compromise the watch's integrity. Milano Straps offers curated selection of specifically 21mm-compatible straps in alligator, vegetable-tanned calf, shell cordovan and FKM rubber, tested with luxury-category watches.

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

A premium leather strap (alligator, calf chest, shell cordovan) mounted on the Glashütte Original Senator maintains structural integrity for 4-6 years of daily use, with variables related to climate, ambient humidity and perspiration. Vegetable-tanned leather extends this duration whilst developing patina, while synthetic materials (FKM rubber) exceed 7-8 years. Regular maintenance with specific balms significantly prolongs strap lifespan.