Jaeger-LeCoultre · Master

Strap for Master Geographic Stainless Steel / Silver / Bracelet

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

Reference1428121

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 1428121

Selected for the 20 mm lug width · workshop selection

All 20 mm straps →

The Master 1428121, seen from the bench

The Jaeger-LeCoultre Master World Geographic integrates the 939A/1 caliber with hour, minute, second, world time and day/night indication functions. The movement includes an adjustable 24-hour hand, date indicator and power reserve. The dial features a world map with indication of different time zones.

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