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Parmigiani Fleurier · Tonda

Strap for Tonda Hemispheres Stainless Steel / Blue

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width

18mm
18 mm strapsAll Parmigiani Fleurier
Lug width18 mm
Case diameter42 mm
ReferencePFC231-0001800-HA1442
FamilyTonda
MovementParmigiani Fleurier caliber PF337 Hours, Minutes, Small Seconds, Additional 12 Hour Hand (adjustable), Day / Night Indication
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

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

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Straps for the Tonda PFC231-0001800-HA1442

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Tonda PFC231-0001800-HA1442, seen from the bench

The Parmigiani Fleurier Tonda PFC231-0001800-HA1442 is a 42mm stainless steel watch that embodies the manufacture's three-decade pursuit of geometric purity combined with functional architecture. It features the in-house PF337 caliber movement beating at 4Hz, equipped with an uncommon 12-hour additional hand function with integrated AM/PM indication for intuitive timezone management. The 18mm lug width is the result of precise proportional calculations: it balances the visual mass of the 42mm case with the band, while maintaining ergonomic support and chromatic coherence without the imbalance caused by wider or narrower alternatives.

Frequently asked questions

What is the lug width of the Parmigiani Fleurier Tonda PFC231-0001800-HA1442?

The lug width of the Tonda PFC231-0001800-HA1442 is precisely 18mm. This measurement is the result of carefully calculated proportions between the 42mm case diameter and the overall aesthetic balance. An 18mm lug width provides optimal structural support and visual harmony without compromise.

Which strap is best suited for the Parmigiani Fleurier Tonda PFC231-0001800-HA1442?

The Tonda excels with straps in black or medium brown alligator, which create a visual dialogue with the grain d'orge bezel. For versatility, vegetable-tanned calf leather offers a natural patina over time. Heavy canvas NATO is ideal for a casual approach, whilst FKM rubber is the choice for sports and light water applications.

How do you change a strap on a watch with 18mm lugs?

To change the strap, use a spring bar tool. Insert the lever into the lug housing from the inside, press gently to make the spring protrude, and remove the old strap from the case lugs. Insert the new strap by aligning the lugs in the orthogonal grooves of the case, ensuring the spring locks securely on both sides.

Are aftermarket straps compatible with the Parmigiani Fleurier Tonda PFC231-0001800-HA1442?

Yes, any strap with 18mm lugs is compatible with the Tonda PFC231-0001800-HA1442. At milanostraps.it you will find a selection of artisanal straps specifically designed for this measurement, crafted with premium materials (alligator, calf, shell cordovan) and available in multiple colours and finishes.

How long does a leather strap last on a watch like the Tonda?

The lifespan of a leather strap depends on usage and material quality. A quality leather strap (alligator or vegetable-tanned calf) typically lasts 2-4 years with daily wear. Vegetable-tanned leather develops a natural patina that enhances aesthetics over time. Regular maintenance (gentle cleaning and drying) significantly extends the strap's useful life.

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.

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