Speake-Marin · J-Class

Strap for Magister Tourbillon

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter42 mm
ReferencePIC.10032
FamilyJ-Class
MovementSpeake-Marin caliber SM3 hours, minutes | tourbillon escapement
Year2014
CaseRed 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 J-Class PIC.10032

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The J-Class PIC.10032, seen from the bench

The Speake-Marin J-Class features the in-house SM3 caliber with a tourbillon escapement and hour-minute indication. The case features 22mm lugs. The tourbillon movement offers a visible mechanical complication on the dial.

Frequently asked questions

What is the lug width of the Speake-Marin J-Class PIC.10032?

The Speake-Marin J-Class PIC.10032 has a lug width of 22 millimetres. This measurement is critical when selecting compatible straps. The 22mm width represents the ideal compromise between the structural integrity of the 42mm case and the optical proportions envisioned by Peter Speake-Marin. To measure accurately, position a ruler parallel to the case lugs, measuring the internal span from one lug base to the other. An incorrect measurement will compromise the original aesthetic balance of the timepiece.

Which strap is most recommended for the PIC.10032?

High-quality alligator, particularly in fine and medium grain variants, represents the noblest choice for the PIC.10032. The natural texture of crocodilian leather creates sophisticated contrast with the rose gold case, accentuating its luminous reflections. For those preferring sustainable or more versatile options, vegetable-tanned calf leather guarantees exceptional durability and develops character patina over time. Natural rubber or NATO fabric straps offer equally respectable daily-wear alternatives that honour the maker's philosophy.

How do I change the strap on my Speake-Marin J-Class?

Strap replacement requires a dedicated spring bar removal tool. This instrument enables compression of the internal spring mechanism, liberating the strap from the case lugs. Position the tool perpendicular to the case, applying gentle pressure toward the centre until the spring shoulder disengages from its seat. Extract the original strap, then insert the new strap, ensuring perfect alignment with both lugs. Many collectors prefer enlisting a professional watchmaker to avoid risk of scratching the rose gold case during removal.

Does the Speake-Marin J-Class PIC.10032 accept quality aftermarket straps?

Absolutely. The 22mm lug width ensures compatibility with a broad range of contemporary artisanal straps. The sole technical constraint is width: any 22mm strap will mechanically fit the 'Piccadilly' lugs. Selection should prioritize superior craftsmanship: the elegance of the PIC.10032 deserves equally refined visual partners. Specialist ateliers such as Milano Straps offer customizable solutions that maintain aesthetic coherence with Peter Speake-Marin's artisanal philosophy.

What is the typical lifespan of a leather strap for the PIC.10032?

A high-quality alligator or calf leather strap, worn daily on the PIC.10032, maintains structural integrity between 5 and 10 years. Actual longevity depends upon intensity of use, climatic conditions, and maintenance practices. The rose gold case develops positive patina throughout this period, whilst premium leather gradually deteriorates from internal fibre separation. Periodic rotation between multiple straps significantly extends the lifespan of each partner. Natural rubber straps retain elasticity beyond a decade, though they undergo chemical degradation more rapidly than leather.

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