Technical Archive

Glashütte Original
Karree 39-43-04-04-04— lug 20mm

Glashütte Original Karree 39-43-04-04-04: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Karree Automatic Panorama Date Moon Phase Stainless Steel / Silver

Artisanal Note

"This model requires a precise 20mm lug width to preserve the original sartorial balance."

Technical Specifications

Glashütte Original 39-43-04-04-04
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

39-43-04-04-04

Movement

Glashütte Original caliber 39-43 Hours, Minutes | Big Date | Moonphase

The Heritage

The Karree represents Glashütte Original's square case proposal, characterized by the typical geometric design of the Saxon manufacture. The timepiece is equipped with the automatic caliber 39-43 offering hour, minute, big date and moon phase indications. The reference 39-43-04-04-04 maintains the balanced proportions of the Karree collection with meticulous finishes according to the canons of German tradition.

FAQ

What is the exact lug width of the Glashütte Original Karree 39-43-04-04-04?

The Glashütte Original Karree 39-43-04-04-04 features a lug width of 20 mm. This dimension is precisely calculated to maintain the geometric proportions of the square case and ensure visual equilibrium of the design. To verify compatibility with an aftermarket strap, always measure the distance between the spring bar lugs using a digital calliper.

Which type of strap is best suited for the Karree 39-43-04-04-04?

Given the minimalist purity of the German design, we recommend a strap in alligator or vegetable-tanned calf leather to impart warmth and noble patina to the timepiece. A NATO strap in grey or navy blue offers daily versatility, whilst a structured rubber strap ensures practicality in less formal contexts. Avoid high-gloss finished straps that contrast excessively with the austere geometric approach of the case.

How do I change the strap on the Glashütte Original Karree 39-43-04-04-04?

The Karree features an integrated lug attachment (fixed spring bar system). To replace the strap: 1) use a dedicated tool or small lever to compress the internal spring of the pin; 2) extract the pin from the case lug; 3) disassemble the rigid lug from the previous strap; 4) insert the new spring bars into the 20 mm strap lug; 5) reposition the strap between the case lugs, ensuring the spring bar locks securely. A straightforward operation requiring only five minutes with the correct tools.

Is the Glashütte Original Karree 39-43-04-04-04 strap compatible with other 20 mm watches?

Yes, any strap featuring a standard 20 mm lug width is technically compatible with the Karree 39-43-04-04-04's attachment system. However, we recommend selecting a strap proportioned to the case: the artisanal construction quality, stitch durability, and material finishing should reflect the same aesthetic research that defines Glashütte Original manufacturing. Inferior strap quality may compromise the overall elegance of the piece.

How long does a leather strap last on the Glashütte Original Karree 39-43-04-04-04?

Longevity depends on material and treatment. A strap in alligator or vegetable-tanned calf, worn regularly (5-7 days per week), has an average lifespan of 4-6 years before replacement becomes necessary due to natural wear. Exposure to UV radiation, humidity, and perspiration accelerates ageing. With proper care—gently drying if wet, avoiding direct heat sources—it is possible to extend longevity beyond six years. Milano Straps maintains a permanent stock of replacement straps to guarantee aesthetic and functional continuity for your Karree.