Jaeger-LeCoultre · Master Ultra Thin

Strap for Master Ultra Thin Date Red Gold - Diamond / Eggshell / Alligator

Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width20 mm
Case diameter39 mm
Reference1232501 (aka: Q1232501)
FamilyMaster Ultra Thin
MovementJaeger-LeCoultre caliber 899/1 Hours, Minutes, Seconds | Date
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 1232501 (aka: Q1232501)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Master Ultra Thin 1232501 (aka: Q1232501), seen from the bench

The Jaeger-LeCoultre Master Ultra Thin houses the 899/1 caliber with indications of hours, minutes, seconds and date. The reference 1232501 features a mechanical self-winding movement designed to minimize the thickness of the case. The model belongs to the Master collection that emphasizes classic elegance and a slim profile.

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