Glashütte Original
Senator 1-37-01-04-05-55— lug 21mm
Glashütte Original Senator 1-37-01-04-05-55: 21mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 21mm lug width to preserve the original sartorial balance."
Technical Specifications
Glashütte Original 1-37-01-04-05-55The essential strap measurement.
Browse 21mm straps →1-37-01-04-05-55
Glashütte Original caliber 37-01 Hours, Minutes, Small Seconds | Big Date | Chronograph, Column wheel, Flyback | Power Reserve Indicator
The Heritage
Compatible Straps
Selected for the 21mm lug width of the Senator
FAQ
What is the lug width of the Glashütte Original Senator 1-37-01-04-05-55?
The Glashütte Original Senator reference 1-37-01-04-05-55 features a lug width (ansa) of 21mm. This specification is standard on professional chronograph models from Glashütte Original and ensures perfect compatibility with 21mm strap widths. To verify the measurement, measure the internal distance between the case lugs: 21mm guarantees a seamless fit without overlaps or gaps.
Which strap material is most recommended for a rose gold chronograph?
For a timepiece of the Senator chronograph's technical complexity, we recommend alligator niloticus with vegetable tanning, which naturally complements rose gold and develops a shared patina over time. Alternatively, hand-finished Italian calf leather offers daily versatility whilst maintaining formal elegance. For those seeking practicality, a NATO strap in superior-quality fabric delivers sports-formal character without durability compromise.
How should I correctly change the strap on a luxury watch?
Changing the strap on a Senator chronograph requires attention to detail. Position the watch with caseback upward and identify the spring bars at each lug extremity. Using a dedicated spring bar tool or blunt instrument, gently release the bar to free the old strap. Insert the new strap by aligning the holes to the lugs, then reposition the bar until it clicks into place. For valuable timepieces, we recommend having this performed by an expert to avoid case scratching.
Can I use an aftermarket strap on a Glashütte Original Senator 1-37-01-04-05-55?
Yes, aftermarket straps are fully compatible provided they respect the 21mm lug width specification. Artisanal straps manufactured to elevated quality standards guarantee durability and aesthetics comparable to original accessories, with the added advantage of customisation. Always verify that the spring bar holes align correctly with the case lugs before final installation.
What is the average lifespan of a leather strap on a wristwatch?
A quality leather strap (alligator, calf, shell cordovan with vegetable tanning) typically lasts 3-5 years with daily use, depending on usage frequency, climate conditions, and maintenance. Prolonged sun exposure accelerates ageing; excessive humidity can cause mildew. To extend lifespan, rotate straps and occasionally apply protective balm. A well-maintained strap can remain aesthetically sound beyond five years, developing a sought-after patina.