Technical Archive

Girard-Perregaux
1966 49523D11A171-CB6A— lug 20mm

Girard-Perregaux 1966 49523D11A171-CB6A: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

1966 36mm Stainless Steel / Diamond / Silver / Alligator

Artisanal Note

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

Technical Specifications

Girard-Perregaux 49523D11A171-CB6A
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

49523D11A171-CB6A

Movement

Girard-Perregaux caliber GP03300-0123 Hours, Minutes, Seconds

The Heritage

The Girard-Perregaux 1966 (ref. 49523D11A171-CB6A) is a 36mm stainless steel watch featuring the GP03300-0123 movement. The case diameter measures 36.00mm with a 20mm lug width, maintaining the proportions of the original 1966 model. This timepiece combines satin and polished finishes with a protected crown and screw-down caseback, designed for refined wearability.

FAQ

What is the lug width of the Girard-Perregaux 1966 49523D11A171-CB6A?

The lug width (ansa) of the Girard-Perregaux 1966 49523D11A171-CB6A is exactly 20mm. This measurement refers to the internal distance between the two metal pins (lugs) that hold the strap. To verify correctly, use a digital calliper to measure between the lugs, not on the external case. This standard dimension allows a wide range of artisanal strap options.

What is the best strap for the Girard-Perregaux 1966 49523D11A171-CB6A?

The choice depends on intended use and aesthetic preference. For formal contexts, dark brown alligator or black calf leather are ideal. For richer appearance and natural ageing, we recommend shell cordovan or vegetable-tanned leather. A pearl grey or navy NATO strap offers versatility. The ideal strap width is 16-18mm to complement the proportions of the 36mm case.

How do I change the strap on the Girard-Perregaux 1966 49523D11A171-CB6A?

Strap change requires a dedicated tool (spring bar remover). Position the watch on a flat surface, gently insert the tool into the space between the lug and case to compress the internal pin, then remove the old strap. Reverse the procedure to fit the new strap, ensuring the pins are firmly seated. Avoid forcing to prevent case damage.

Are there aftermarket straps compatible with the Girard-Perregaux 1966 49523D11A171-CB6A?

Yes, the Girard-Perregaux 1966 49523D11A171-CB6A uses standard 20mm lugs, so it is fully compatible with any quality strap of the same width. Milano Straps offers a curated collection of 20mm straps in alligator, cordovan, calf, NATO and rubber, all handcrafted and verified for compatibility.

How long does a leather strap last on the Girard-Perregaux 1966 49523D11A171-CB6A?

Durability depends on material and usage. A quality alligator or calf strap lasts 3-5 years with regular wear. Shell cordovan, due to its superior density, reaches 5-8 years. Vegetable-tanned leather ages naturally whilst maintaining structural integrity. Typical failure occurs at the natural crease under the lug. Consistent maintenance (cleaning, drying after perspiration, periodic cream treatment) significantly extends lifespan.