MeisterSinger · Single-Hand Watches

Strap for N° 02

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter43 mm
ReferenceAM6603
FamilySingle-Hand Watches
MovementETA caliber 6498-1 hours, minutes, small seconds
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Single-Hand Watches AM6603

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Single-Hand Watches AM6603, seen from the bench

The MeisterSinger Single-Hand Watches reference AM6603 features the ETA 6498-1 caliber with hour, minute and small seconds indication. The manual-winding mechanical movement is characterized by the brand's signature single-hand display. The watch has 20mm lugs for the strap.

Frequently asked questions

What is the exact lug width of the MeisterSinger Single-Hand Watches AM6603?

The lug width of the MeisterSinger AM6603 is precisely 20 millimetres. This measurement is taken from outer edge to outer edge between the two caseback mounting holes. It is essential to verify that any selected strap is compatible with this specific dimension to ensure correct and secure pin insertion.

Which type of strap is recommended for the MeisterSinger AM6603?

For the MeisterSinger AM6603, we recommend alligator leather straps for formal occasions, artisanal vegetable-tanned leather for versatile daily wear, NATO straps for sporting or casual situations, and moulded rubber for those preferring modern practicality. Your choice depends on usage context and personal preference regarding patina development and texture.

How do I change the strap on the MeisterSinger Single-Hand Watches AM6603?

To change the strap, you must remove the mounting pins (which pass through the lugs) using a specialist spring bar tool. Once the pins are extracted, the old strap releases from the case. The new 20mm strap is inserted into the case lugs, then the pins are reintroduced and secured. If you are inexperienced, consult an expert to avoid damaging the case.

Is a generic aftermarket strap with 20mm lug width compatible with the AM6603?

Yes, any strap with a 20-millimetre lug width is technically compatible with the MeisterSinger AM6603. However, we recommend selecting artisanal quality products that respect the proportions of the 43mm case and the minimalist aesthetic of the watch to avoid compromising the original design harmony.

How long does a leather strap last on the MeisterSinger AM6603?

The lifespan of a leather strap depends on frequency of wear, exposure to moisture, and maintenance practices. A quality artisanal calf leather, worn daily, typically lasts 3–5 years before replacement. With vegetable tanning, leather develops natural patina and may last longer if properly maintained. Avoid prolonged exposure to humidity and salt water.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only