Technical Archive

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

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

Senator Excellence Panorama Date Moonphase Stainless Steel / Blue / Bracelet

Artisanal Note

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

Technical Specifications

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

The essential strap measurement.

Browse 21mm straps →
Reference

1-36-04-04-02-71

Movement

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

The Heritage

The Glashütte Original Senator features the in-house caliber 36-04 with hours, minutes, small seconds, big date, and moon phase display. The watch has 21mm lugs and is constructed according to the Saxon manufacturer's standards. The movement offers the classic high-end complications with the brand's signature big date.

FAQ

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

The lug width of the Glashütte Original Senator 1-36-04-04-02-71 is 21mm. This measurement is taken from the inner shoulder of one lug to the other. Ensure that any strap you intend to purchase is explicitly compatible with this 21mm specification for correct and secure mounting.

Which strap is most suitable for the Glashütte Original Senator 1-36-04-04-02-71?

We recommend alligator leather in dark brown with natural patina, which accentuates the dial geometry and preserves the Saxon elegance. Valid alternatives include vegetable-tanned calf leather (which ages beautifully), NATO in linen for practicality, or vulcanised rubber for intensive daily use. Your choice should reflect your intended use: formal, casual, or sports-oriented.

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

Strap replacement requires a spring bar tool (a small screwdriver with Y-slot or dedicated removal pliers). Located near each lug, the spring bars anchor the current strap. Using the tool, apply gentle leverage to extract the spring bar from its seat, remove the worn strap, and align and insert the new one. The bar will click into position when properly secured. For uncertainty, consult a professional watchmaker.

Can I use an aftermarket strap compatible with 21mm lugs?

Yes, any strap designed for 21mm lug width is compatible with the Glashütte Original Senator 1-36-04-04-02-71, provided construction quality is high. Artisanal leather straps in premium materials (alligator, calf, shell cordovan) guarantee longevity and comfort. Always verify that spring bars have matching protrusion depth and that stitching is uniform and deep throughout.

How long does a leather strap last on the 42mm Senator case?

Longevity depends on leather quality and intensity of use. An artisanal alligator or vegetable-tanned calf strap under moderate daily wear maintains structural integrity for 4–6 years. Factors accelerating wear include prolonged water exposure, sustained humidity, and extreme temperature fluctuations. Regular maintenance—gentle cleaning, proper drying, and specific conditioning creams—significantly extends lifespan. When the strap shows edge cracking or stitching failure, replacement is due.