Strap for Maestro Original Time Stainless Steel / Blue

The lug width of the Gerald Charles Maestro GC20-A-01 is 20mm. This measurement is determined by the proportions of the 39mm case and must be measured from lug to lug on the original strap to ensure perfect compatibility with aftermarket options. Correct installation requires precisely 20mm to avoid gaps and stress on the attachment points.

For the Maestro GC20-A-01, we recommend alligator, vegetable-tanned calf leather, or shell cordovan straps for formal wear, whilst NATO and rubber options are ideal for sportier contexts. Alligator offers timeless elegance, vegetable-tanned calf develops fascinating patina over time, and NATO straps ensure aesthetic versatility whilst maintaining the visual proportions of the 39mm case.

To change the strap on the GC20-A-01, a spring bar removal tool is required. Insert the curved tip of the tool under the horizontal metal bar (lug), compress gently to release it from its housing, then extract the spring bar from one side. Repeat the inverse operation on the other side. Reverse the procedure with your new 20mm strap. We recommend caution and, if uncertain, consult an expert.

Yes, Milano Straps offers a wide selection of 20mm straps compatible with the Gerald Charles Maestro GC20-A-01. The collection includes options in alligator leather, calf, shell cordovan, NATO fabric and FKM rubber. All are ready to ship and customisable through online configuration, allowing you to reinterpret the aesthetic character of your watch according to personal preference.

The longevity of a leather strap depends on frequency of use, climatic conditions and construction quality. Quality calf leather with daily wear resists approximately 2–4 years before showing significant wear. Alligator and shell cordovan, given their superior molecular density, may extend to 5–7 years. Patina and ageing marks, if moderate, are appreciated characteristics and do not necessarily indicate the functional end of life of the strap.