Jaeger-LeCoultre · Master Ultra Thin

Strap for Master Ultra Thin Date White Gold Diamond

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
Reference1283501 (aka: Q1283501)
FamilyMaster Ultra Thin
MovementJaeger-LeCoultre caliber 899/1 Hours, Minutes, Seconds | Date
CaseWhite 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 1283501 (aka: Q1283501)

Selected for the 18 mm lug width · workshop selection

All 18 mm straps →

The Master Ultra Thin 1283501 (aka: Q1283501), seen from the bench

The Jaeger-LeCoultre Master Ultra Thin is powered by the automatic Calibre 899/1 with hour, minute, second and date indications. The reference 1283501 features an essential design focused on the thinness of the case. The in-house movement provides the essential functions with the traditional reliability of Swiss watchmaking.

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