Jaeger-LeCoultre · Master Extreme

Strap for Master Compressor Dualmatic Stainless Steel

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

Lug width20 mm
Case diameter42 mm
Reference1738470 (aka: Q1738470)
FamilyMaster Extreme
MovementJaeger-LeCoultre caliber 972 Hours, Minutes, Additional 12 Hour Hand (adjustable), Additional 24 Hour Hand (fixed), Small Seconds | Date
CaseStainless Steel

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 Extreme 1738470 (aka: Q1738470)

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Master Extreme 1738470 (aka: Q1738470), seen from the bench

The Master Extreme features the Jaeger-LeCoultre caliber 972 with functions of hours, minutes, small seconds, date, and dual time zone through additional 12 and 24-hour hands. The 12-hour hand is adjustable while the 24-hour hand remains fixed. The movement offers date indication, completing the complications of this GMT timepiece.

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