Longines
Record L2.321.5.57.7 (aka: L23215577)
Longines Record L2.321.5.57.7 (aka: L23215577): strap made to measure on the watch at the Casati Milano atelier, by appointment.
Technical Specifications
Longines L2.321.5.57.7 (aka: L23215577)L2.321.5.57.7 (aka: L23215577)
Longines caliber L592.4 Hours, Minutes, Seconds | Date | Chronometer
The Heritage
The strap for this watch is made to measure
On the Longines Record 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
How do you change the strap on the Longines Record L2.321.5.57.7?
Strap replacement requires a spring bar remover tool (small dual-tipped screwdriver) or dedicated extractor. Position the watch face-down on a soft surface. Insert the flat tip of the tool under the spring bar from one side, applying gentle outward pressure until the pin compresses. Remove the old strap and insert the new one by aligning the holes. Repeat on the other side. Verify that the spring bar is perfectly seated to prevent accidental loss.
How long does a leather strap last on the Longines Record L2.321.5.57.7?
Durability depends on material and usage. An alligator or shell cordovan strap, with ordinary care (drying after water exposure, protection from direct heat), maintains structural integrity between 3 and 5 years of daily wear. Vegetable-tanned leather visibly evolves during the first year, developing patina and tonal variations, without losing functionality. A NATO fabric strap lasts over 5 years. The buckle represents the critical point: deployante mechanism wear may require replacement even if leather remains intact. Casati Milano offers 18-month warranty on all custom-made artisanal straps.