Jaeger-LeCoultre · Master

Strap for Master Grand Tourbillon White Gold Aventurine

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

Lug width20 mm
Case diameter43 mm
Reference1663406 (aka: Q1663406)
FamilyMaster
MovementJaeger-LeCoultre caliber 978 hours, minutes, seconds | tourbillon escapement
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 1663406 (aka: Q1663406)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Master 1663406 (aka: Q1663406), seen from the bench

The Jaeger-LeCoultre Master Grande Tradition Grande Complication reference 1663406 is a white gold timepiece featuring a flying tourbillon, perpetual calendar, and equation of time indicator. The 43.00 mm white gold case houses the caliber 978 movement and accommodates a 20 mm lug width strap. This haute horlogerie piece represents the manufacturing philosophy of the Vallée de Joux manufacture.

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