Jaeger-LeCoultre · Master

Strap for Master Geographic Stainless Steel / Silver / Alligator

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

Lug width

20mm

20 mm straps All Jaeger-LeCoultre

Lug width20 mm

Case diameter39 mm

Reference1428421 (aka: Q1428421)

FamilyMaster

MovementJaeger-LeCoultre caliber 939A/1 Hours, Minutes, Seconds, World Time, Additional 24 Hour Hand (adjustable), Day / Night Indication | Date | Power Reserve Indicator

CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

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Straps for the Master 1428421 (aka: Q1428421)

Selected for the 20 mm lug width · workshop selection

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The Master 1428421 (aka: Q1428421), seen from the bench

The Master World Geographic is powered by the Jaeger-LeCoultre 939A/1 caliber with functions of hours, minutes, seconds, world time, and day/night indicator. The movement includes an adjustable 24-hour hand, date indication, and power reserve. The model features the reference Q1428421 in the Jaeger-LeCoultre Master collection.

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