Technical Archive

Glashütte Original
Senator 100-14-07-02-50— lug 21mm

Glashütte Original Senator 100-14-07-02-50: 21mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Senator Observer Stainless Steel / Black / Calf / Folding

Artisanal Note

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

Technical Specifications

Glashütte Original 100-14-07-02-50
Lug Width
21 mm

The essential strap measurement.

Browse 21mm straps →
Reference

100-14-07-02-50

Movement

Glashütte Original caliber 100-14 Hours, Minutes, Small Seconds | Big Date | Alarm | Power Reserve Indicator

The Heritage

The Senator reference 100-14-07-02-50 features the Glashütte Original caliber 100-14 with hour, minute, small seconds, big date, alarm and power reserve functions. The watch has 21mm lugs and represents the German manufacturer's technical approach to the mechanical alarm complication. The movement integrates multiple functions in an architecture that combines the watchmaking tradition of Glashütte with contemporary construction solutions.

FAQ

What is the lug width of the Glashütte Original Senator 100-14-07-02-50?

The lug width of the Glashütte Original Senator 100-14-07-02-50 is 21 millimetres. This specific dimension is critical for compatibility: the strap must be engineered precisely for this width, with no compromise. Always verify the internal distance between the lugs with callipers, perpendicular to the dial surface.

Which strap material is best suited for the Glashütte Original Senator 100-14-07-02-50?

Alligator leather with vegetable tanning is the most noble choice: the fine grain and chromatic evolution over time create a patina that mirrors the complexity of the visible movement. Shell cordovan offers absolute longevity and an amber patina after years of wear. Italian pressed calf communicates Saxonian sobriety, whilst woven NATO fabric ensures daily versatility without compromising quality.

How do I change the strap on the Glashütte Original Senator 100-14-07-02-50?

The procedure requires specific tools: a spring bar tool or lug extractor. Position the watch face-down, insert the curved tip of the spring bar tool beneath the small metal pin (spring bar) connecting the lug to the case, press gently downward to release the spring tension, then withdraw the old strap. Repeat on the opposite lug. Install the new 21mm strap by reversing the procedure, ensuring the spring bars are correctly engaged.

Can I use an aftermarket 21mm strap on this watch?

Yes, provided the strap is precisely dimensioned for 21mm lug width. Bespoke straps crafted from premium leather—alligator, shell cordovan, calf—are fully compatible and often offer construction quality superior to factory straps. Always verify that the strap has been specifically manufactured for the 21mm width specification.

How long does a natural leather strap last on the Glashütte Original Senator 100-14-07-02-50?

A high-quality leather strap has an average lifespan of 3-5 years with moderate daily wear. Factors including humidity, solar exposure, skin breathability and frequency of wearing influence longevity. Shell cordovan, due to superior density and natural resilience, can exceed 10 years. Regular maintenance—wrist hygiene, protection from excessive moisture, periodic treatment with natural balms—significantly extends strap lifespan.