FP Journe · Octa

Strap for Octa Quantième Perpétuel 42 Platinum / Pink / Bracelet

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
Reference1300.3 QP 42 PT PI BR
FamilyOcta
MovementFP Journe caliber 1300.3 QP hours, minutes, small seconds | big date | moonphase | power reserve indicator
Year2013
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 Octa 1300.3 QP 42 PT PI BR

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Octa 1300.3 QP 42 PT PI BR, seen from the bench

The FP Journe Octa 1300.3 QP 42 PT PI BR features the in-house caliber 1300.3 QP with perpetual calendar, retrograde date, moonphase, and power reserve indicator. The 42mm platinum 950 case houses a decentered dial with hours, minutes, small seconds, and large date window. Lug-to-lug width is 20mm. This contemporary independent watchmaking piece exemplifies geometric purity and aesthetic functionality, with hand-finished components including polished and satin surfaces.

Frequently asked questions

What is the lug width of the FP Journe Octa 1300.3 QP 42 PT PI BR?

The lug width of the FP Journe Octa 1300.3 QP 42 PT PI BR is 20mm. This measurement is the constructive standard for the Octa family and is determined by the internal distance between the two lugs that anchor the strap. It is essential to verify this measurement with a calliper to ensure perfect compatibility with aftermarket straps.

Which strap material is most suitable for the FP Journe Octa in platinum?

For the 950 platinum case, vegetable-tanned alligator leather represents the most coherent choice. The leather's texture dialogues naturally with the brushed surfaces of the platinum case. Valid alternatives include vegetable-tanned shell cordovan, which offers warmer chromatic vibration, or a NATO fabric strap for daily wear. We recommend neutral tones such as absolute black, châtain (hazelnut brown), or natural brown with grey patina.

How do you change the strap on an FP Journe Octa 1300.3 QP 42 PT PI BR?

Strap replacement on an FP Journe Octa is accomplished using the standard spring bar system. You will need a spring bar tool to extract the pins from the lugs. Gently remove the old strap by compressing the pin from one side, position the new strap with correct alignment, and reinsert the pin until it clicks into place. We recommend extreme caution as the platinum lugs are sensitive to scratching. If uncertain, consult a specialist.

Which aftermarket straps are compatible with this 20mm lug width?

All straps with a 20mm lug width are constructively compatible with the FP Journe Octa 1300.3 QP 42 PT PI BR. However, aesthetic compatibility requires coherence: we recommend noble leathers (alligator, shell cordovan, calf) in vegetable tanning, NATO fabrics in controlled tones, or quality FKM rubber. We advise against pairing with glossy synthetic leathers or saturated colours that would compromise the watch's gravitas.

How long does a natural leather strap last on a watch of this value?

A noble leather strap (alligator, shell cordovan) in vegetable tanning, treated with care, maintains functionality for 3-5 years of daily wear. Longevity depends on sun exposure, humidity, frequency of use, and maintenance (regular cleaning, annual conditioning). Vegetable tanning, unlike chrome tanning, allows for natural patina that communicates ageing. When the strap begins to show structural failure (fibre breakage, seam separation), it is time to replace it. Many luxury watch owners maintain multiple straps in rotation to extend lifespan.

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