Parmigiani Fleurier · Tonda

Strap for Tonda Hemispheres Rose Gold / White

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

Lug width20 mm
Case diameter42 mm
ReferencePFC231-1002400-HA1241
FamilyTonda
MovementParmigiani Fleurier caliber PF337 hours, minutes, small seconds, Additional 12 hours Hand (adjustable), day / Night Indication
CaseRose Gold

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 PFC231-1002400-HA1241

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Tonda PFC231-1002400-HA1241, seen from the bench

The Tonda by Parmigiani Fleurier is equipped with the PF337 caliber with hour, minute, small second and an additional 12-hour adjustable hand functions. The movement includes day/night indication to facilitate reading the time in 12-hour format. The reference PFC231-1002400-HA1241 represents one of the variants of the Tonda collection of the Swiss brand.

Frequently asked questions

What is the lug width of the Parmigiani Fleurier Tonda PFC231-1002400-HA1241?

The lug width of the Parmigiani Fleurier Tonda PFC231-1002400-HA1241 is precisely 20mm, measured from inner wall to inner wall of the lug seat. This dimension is critical when selecting an aftermarket strap, as 20mm is a relatively uncommon specification that should not be confused with standard widths such as 18mm, 19mm, or 22mm. Use a vernier calliper for accurate measurement before ordering a replacement strap.

What is the best strap for the Parmigiani Fleurier Tonda PFC231-1002400-HA1241?

For the PFC231-1002400-HA1241, an alligator strap in cognac or honey tones, paired with a rose gold satin-finished deployante, is ideal. This combination enhances the warm tonality of the rose gold case whilst maintaining formal elegance. Alternatively, vegetable-tanned calf leather develops a noble patina over time, whilst a military-green NATO strap offers versatile contrast for those seeking stylistic variation without compromising the watch's character.

How do I change the strap on my Parmigiani Fleurier Tonda PFC231-1002400-HA1241?

The PFC231-1002400-HA1241 features spring-bar lugs. To replace the strap: (1) position the watch with lugs facing upward; (2) locate the small hole on the spring bar; (3) use a spring bar tool or blunt instrument (never sharp) to gently compress the spring towards the lug; (4) the spring bar will retract, freeing the lug. Repeat on the opposite lug to fully remove the strap. For installation, reverse the process: insert the lug until the spring bar clicks into place with an audible engagement.

Can I use an aftermarket strap that is compatible with the Parmigiani Fleurier Tonda PFC231-1002400-HA1241?

Yes, you may use 20mm aftermarket straps on the PFC231-1002400-HA1241, provided they meet precise tolerances (20mm ±0.1mm) and are constructed for spring-bar lugs. Specialist strap manufacturers offer bespoke personalisation, crafting straps tailored to your wrist anatomy and aesthetic preference whilst delivering material quality that may exceed the original bracelet. This approach grants flexibility in presentation without compromising the watch's integrity.

How long will a leather strap last on my Parmigiani Fleurier Tonda PFC231-1002400-HA1241?

Longevity depends on material type and frequency of wear. An alligator strap with vegetable tanning withstands 4–6 years of daily use before structural replacement becomes necessary, though patina development continues indefinitely. Vegetable-tanned calf offers 3–5 years of service, with patina establishing rapidly within the first three months. Shell cordovan, owing to its density, achieves 8+ years of reliable service. To extend strap lifespan, expose leather periodically to air, avoid prolonged contact with fresh and salt water, and apply a neutral conditioner occasionally to maintain fibre elasticity.

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