Parmigiani Fleurier · Tonda

Strap for Tonda Tourbillon Platinum / Graphite

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

Lug width18 mm
Case diameter42 mm
ReferencePFH251-2000200-HA144
FamilyTonda
MovementParmigiani Fleurier caliber PF510 hours, minutes, seconds | power reserve indicator, tourbillon escapement
CasePlatinum

Spring bar

Swiss Standard universal spring bars

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

Straps for the Tonda PFH251-2000200-HA144

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Tonda PFH251-2000200-HA144, seen from the bench

The Parmigiani Fleurier Tonda Tourbillon Platinum PFH251-2000200-HA144 is a 42mm platinum sports chronograph featuring the automatic PF510 caliber with fixed-escapement tourbillon complication and power reserve indicator. The model displays hours, minutes, and seconds on an architecturally designed dial. With an 18mm lug width, this timepiece balances contemporary proportions with heritage watchmaking standards typical of Swiss sports chronographs from the 1970s–1990s. The platinum case resists oxidation and develops a refined patina over time.

Frequently asked questions

What is the lug width of the Parmigiani Fleurier Tonda PFH251-2000200-HA144?

The lug width of the Parmigiani Fleurier Tonda PFH251-2000200-HA144 is 18mm. This niche standard reflects the harmonic proportions of the 42mm case and allows the use of refined straps without excessive bulk at the wrist. Always verify the measurement using a digital calliper positioned between the two lugs of the case.

What is the best strap for the Tonda PFH251-2000200-HA144?

For the platinum Tonda, we recommend alligator or shell cordovan crafted with vegetable tanning: these materials develop a noble patina over time, mirroring the elegant ageing of platinum. For dynamic contexts, a NATO in cotton with a deployante buckle offers versatility whilst maintaining aesthetic rigour. Avoid synthetic straps that do not dialogue with the case's nobility.

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

The process requires specific tools: a spring bar tool and small tweezers. Position the spring bar tool in the side recesses of the lug, apply controlled pressure to compress the internal spring of the attachment, and slide the used strap out of the seat. Insert the new strap ensuring the spring bar fully emerges from the guide. For platinum pieces, we recommend expert horologist intervention.

Which aftermarket strap is compatible with the PFH251-2000200-HA144?

Any strap constructed for 18mm lugs is compatible. Milano Straps offers a certified catalogue with geometries verified on Parmigiani timepieces: from vegan-vegetable-tanned alligator selection to the British NATO collection, through to FKM rubber for recreational use. Always verify the technical specifications of each piece before purchase.

How long does a leather strap last on a daily-worn watch?

A high-quality alligator or shell cordovan strap with vegetable tanning and artisanal finishing typically lasts 5-7 years with daily wear. Longevity depends on maintenance (avoid prolonged moisture, do not expose to constant direct light) and level of mechanical stress. Patina development is not wear: it is a sign of nobility. Periodically reverse the strap to distribute load evenly.

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