Glashütte Original
Senator 1-89-02-05-02-66— lug 21mm
Glashütte Original Senator 1-89-02-05-02-66: 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 1-89-02-05-02-66The essential strap measurement.
Browse 21mm straps →1-89-02-05-02-66
Glashütte Original caliber 89-02 Hours, Minutes, Small Seconds, World Time, Day / Night Indication, Additional 12 Hour Hand (adjustable) | Big Date, Day | 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 1-89-02-05-02-66?
The lug width of the Glashütte Original Senator 1-89-02-05-02-66 is 21 mm. This measurement is standard for this reference and must be maintained with millimetre precision. Measure the space between the lugs at the strap insertion point on your current strap to verify exact compatibility.
Which strap do you recommend for the Senator 1-89-02-05-02-66?
For the 44 mm Senator 1-89-02-05-02-66, we recommend a vegetable-tanned alligator strap (havana, black, cognac) for formal wear, or vegetable-tanned calf leather with natural patina for elegant daily use. A heavy cotton NATO offers sporty-formal versatility. FKM rubber is ideal for aquatic environments. The 21 mm lug width ensures correct proportions.
How do I change the strap on the Glashütte Original Senator 1-89-02-05-02-66?
Loosen the removable strap using a dedicated spring bar tool, or consult a specialist. The Senator 1-89-02-05-02-66 uses standard-diameter spring bars; gently push the spring bar towards the centre to remove the old strap, then insert the new 21 mm strap aligning the holes. Visit Casati Milano for risk-free fitting by appointment.
Is an aftermarket 21 mm strap compatible with the Senator 1-89-02-05-02-66?
Yes, any bespoke strap manufactured natively for 21 mm lug width is compatible with the Senator 1-89-02-05-02-66, provided the spring bars are standard (1.8 mm diameter, 21-22 mm length). Contact specialist makers like Milano Straps who guarantee zero tolerance on this critical dimension.
How long does a leather strap last on the Glashütte Original Senator 1-89-02-05-02-66?
A quality vegetable-tanned leather strap lasts 3-5 years with daily wear, developing natural patina. Durability depends on exposure to water, sweat, and sunlight. An alligator or shell cordovan strap resists 5-8 years. With regular maintenance (cleaning, conditioning), useful life extends considerably. Specialist craftsmen can replace the strap upon request without compromising the case.