Jaeger-LeCoultre · Master Ultra Thin
Strap for Master Ultra Thin Small Seconds Pink Gold / Eggshell / Alligator
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
20mm
Lug width20 mm
Case diameter39 mm
Reference1212510 (aka: Q1212510)
FamilyMaster Ultra Thin
MovementJaeger-LeCoultre caliber 896/1 hours, minutes, small seconds
CaseRose Gold
Straps for the Master Ultra Thin 1212510 (aka: Q1212510)
Selected for the 20 mm lug width · workshop selection
Black Rubberized Alligator Strap with Red Tribal Stitching€185
Matte Dark Gray Alligator Strap€195
Matte Black Alligator Strap — Minimal Stitching€149
Vintage Brown Calfskin Strap — Natural Patina€98
Hammered calfskin strap in cuoio€98
The Master Ultra Thin 1212510 (aka: Q1212510), seen from the bench
The Jaeger-LeCoultre Master Ultra Thin ref. 1212510 is a 39mm rose gold watch featuring the caliber 896/1 manual-winding movement with hours, minutes, and small seconds at 6 o'clock. The case measures 8.5mm thick with a 20mm lug width, embodying the Maison's ultra-thin watchmaking tradition. Rose gold's warm color and superior corrosion resistance make it ideal for formal wear, developing a natural patina over time.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only