Technical Archive

Gerald Charles
Maestro GC19-00ZZ— lug 20mm

Gerald Charles Maestro GC19-00ZZ: 20mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Maestro Anniversary Full-Pavé

Artisanal Note

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

Technical Specifications

Gerald Charles GC19-00ZZ
Lug Width
20 mm

The essential strap measurement.

Browse 20mm straps →
Reference

GC19-00ZZ

Movement

Gerald Charles caliber GCA 131-9391 Hours, Minutes, Seconds | Big Date

The Heritage

The Gerald Charles Maestro reference GC19-00ZZ is equipped with the proprietary GCA 131-9391 caliber, displaying hours, minutes, seconds and a large date. The movement features a modular architecture with the big date function positioned at 12 o'clock. The construction follows the canons of Swiss haute horlogerie with manual finishes on the movement components.

FAQ

What is the lug width of the Gerald Charles Maestro GC19-00ZZ?

The lug width of the Gerald Charles Maestro GC19-00ZZ is 20mm. This dimension is measured between the two attachment pins that connect the strap to the case. It is essential to verify this measurement before purchasing an aftermarket strap to ensure perfect compatibility.

Which strap do you recommend for the Gerald Charles Maestro GC19-00ZZ?

For the Maestro GC19-00ZZ we recommend straps in alligator with vegetable tanning for timeless elegance, calf leather for versatility, or cotton NATO for practicality. The choice depends on usage: formal with leather, casual with NATO, sporty with rubber. All options in 20mm maintain the original case proportions.

How do I change the strap on my Gerald Charles Maestro GC19-00ZZ?

The process requires a spring bar tool: insert the curved tip under the attachment pin, gently lift until the internal spring is freed, remove the old strap. Position the new strap aligning the holes, press the pin until it clicks into place. Repeat on the other side. If you lack experience, consult an expert to avoid damage.

Can I use an aftermarket compatible strap on my Gerald Charles Maestro GC19-00ZZ?

Yes, any strap with a 20mm lug width is compatible. Milano Straps offers a selection of artisanal straps in leather, NATO, and rubber specifically tested to guarantee optimal fit and stability. Always verify that the lug width is exactly 20mm to avoid play or incompatibility.

How long does a leather strap last on the Gerald Charles Maestro GC19-00ZZ?

A quality leather strap with vegetable tanning lasts 3-5 years with daily wear, or longer if used occasionally. African alligator is more durable and can exceed 7 years. Longevity depends on environment, perspiration, and maintenance. Natural patina develops over time, increasing character. Periodic replacements keep your watch looking pristine.