FP Journe · Octa

Strap for Octa Quantième Perpétuel 42 Platinum / Pink

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
FamilyOcta
MovementFP Journe caliber 1300.3 QP Hours, Minutes, Small Seconds | Big Date | Moonphase | Power Reserve Indicator
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

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

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

The FP Journe Octa Quantième Perpétuel 42 Platinum represents the pinnacle of contemporary watchmaking. The 42 mm platinum case houses the caliber FP Journe 1300.3 QP, an automatic movement beating at 2.5 Hz with hours, minutes, small seconds, large retrograde date, moonphase on semicircle, and power reserve indicator. The ultra-flat movement features a Karrusel™ spiral and off-center 18k gold rotor. The integrated lug width is 20 mm, dimensioned for compatibility with 18–22 mm straps, preferably 20 mm for original proportions.

Frequently asked questions

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

The lug width of the FP Journe Octa 1300.3 QP 42 PT PI is 20 millimetres. This dimension is determined by the proportion between the 42-millimetre case diameter and the compact thickness of the 1300.3 QP calibre. To measure accurately, position the calliper between the internal extremities of the lugs, excluding the fixing rivet. Compatible straps range from 18 to 22 millimetres, with 20 millimetres as the ideal width for sartorial adherence to the original proportions.

Which strap is recommended for the FP Journe Octa in platinum?

Alligator represents the choice of material and chromatic continuity: the regular scales of the reptile skin dialogue with the radial striations of the platinum case. Vegetable-tanned calf develops golden patina over time, creating sublime contrast between the warmth of leather and the coolness of platinum. Shell cordovan, natural horse leather from vegetable tanning, offers unequalled chromatic depth and is ideal for those who appreciate aesthetic evolution. The decisive factor is coherence: noble materials deserve equally noble finishes, not aesthetic compromises.

How do I change the strap on the FP Journe Octa 1300.3 QP 42 PT PI?

Changing the strap on the 1300.3 QP requires attention to the sculptural geometry of the lugs. Use an appropriate spring bar tool, inserting the lever into the thin hole of the lateral rivet. Pressure must be progressive: the rivet is not a simple elastic bar, but is integrated into the case structure. Once gently extracted, slide off the old strap and insert the new one, ensuring the lugs fit without forcing. The new strap must adhere symmetrically to the lugs. If lacking experience, consult a watchmaker specialising in haute horlogerie: the risk of scratching is considerable.

Can I use an aftermarket strap compatible with the FP Journe Octa?

Yes, 20mm aftermarket straps are fully compatible with the FP Journe Octa 1300.3 QP 42 PT PI. However, technical compatibility does not imply aesthetic coherence. A generic 20-millimetre strap could compromise the visual proportion of the case or betray the formal vocation of the movement. Milano Straps proposes straps in alligator, vegetable-tanned calf, shell cordovan and selected technical fabrics according to orographic criteria: each product is conceived for conscious dialogue with high-tier cases. Personalisation is available online; some straps accept specific requests for colour and stitching.

How long does a leather strap last on a daily-wear watch like the FP Journe Octa?

The durability of a leather strap depends on construction quality, tanning type and intensity of use. Alligator, if exposed to frequent impacts, exhibits visible wear within 18–24 months; vegetable-tanned calf can last 24–36 months if preserved from excessive moisture. Shell cordovan, more resistant to tearing, reaches 3–4 years under normal conditions. Rotating between straps (at least two) prolongs overall lifespan, as leather requires hygroscopic rest. Controlled ageing is desirable: the patina of time adds character. Milano Straps offers regeneration services for worn straps, reducing the need for complete replacement.

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