Jaeger-LeCoultre · Master Ultra Thin

Strap for Master Ultra Thin Knife

Takes 18 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width18 mm
Case diameter40 mm
Reference1152520
FamilyMaster Ultra Thin
MovementJaeger-LeCoultre caliber 849 Hours, Minutes
CasePink 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 Master Ultra Thin 1152520

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Master Ultra Thin 1152520, seen from the bench

The Master Ultra Thin represents Jaeger-LeCoultre's collection of slim timepieces, characterized by essential lines and reduced thickness. It is powered by the manual-winding manufacture caliber 849 with hour and minute indication. Reference 1152520 maintains the balanced proportions typical of the Master line.

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