Apple
Watch Sport MJ3P2LL
Apple Watch Sport MJ3P2LL: strap made to measure on the watch at the Casati Milano atelier, by appointment.
Technical Specifications
Apple MJ3P2LLMJ3P2LL
Apple caliber Apple Watch Hours, Minutes, Seconds, World Time | Date, Day, Month, Perpetual Calendar, Week Indicator, Year Indicator | Chronograph | Moonphase, Sun position / rising time | Alarm | Smartwatch
The Heritage
The strap for this watch is made to measure
On the Apple Watch Sport the bracelet is drawn as part of the case: no catalogue strap will fit. In the atelier we take the measurements on the watch itself and build the strap on the piece — that is the work of Casati Milano.
Book a consultation →FAQ
Can a bespoke strap be fitted to the Apple Watch Sport MJ3P2LL?
The proprietary attachment system of the MJ3P2LL does not accept standard straps: it is integral to the case design. A bespoke strap, crafted by hand to the exact specifications of your watch, is the only coherent solution. <a href="/pages/casati-booking">Casati Milano</a> undertakes this work by appointment, measuring the attachment points and constructing the strap as a completion of the original design.
How does bespoke strap construction work for this model?
During your atelier visit, the MJ3P2LL is measured with precision at the proprietary attachment zones. The strap is hand-constructed, with lugs shaped to the exact geometry of your case, the keeper positioned accurately, and—if desired—a bespoke metal buckle personalised. It is not a modification of a generic strap, but an original creation.
Which leather suits the character of the Apple Watch Sport MJ3P2LL?
Vegetable-tanned calf with fine grain, showing controlled oxidation, respects the minimalist intent without competing with the case. Cordovan offers elegant contrast with more pronounced texture. For those seeking coherence with its technological heritage, laminated fish leather or cotton velvet deliver contemporary tactility without affectation. The aesthetic principle is that the strap dialogues with the case, never rivals it.
How long does a well-crafted bespoke strap last?
A strap realised in quality leather, with hand-constructed lugs and keeper, endures for years with ordinary maintenance. The patina that develops is part of its beauty. Longevity depends on the leather chosen and daily wear, but the bespoke construction ensures durability superior to industrial straps.
Why is the 2015 Apple Watch Sport MJ3P2LL still relevant today?
The MJ3P2LL embodies the moment when the smartwatch was reduced to human proportions: 36mm in aluminium and ceramic. Its movement combines classical functions—perpetual calendar, lunar phases, solar position—with digital contemporaneity. It remains a desirable object for those who reject the dimensional inflation of current smartwatches, representing a durably relevant aesthetic standard.