Jaeger-LeCoultre · Master Control
Strap for Master Control Chronograph Calendar Stainless Steel / Silver / Novonappa
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
20mm
Lug width20 mm
Case diameter40 mm
Reference4138420
FamilyMaster Control
MovementJaeger-LeCoultre caliber 759
Hours, Minutes | Date, Day, Month | Chronograph, Column wheel | Moonphase
CaseStainless Steel
Straps for the Master Control 4138420
Selected for the 20 mm lug width · workshop selection
Black Alligator Strap with Light Blue Edges€210
Black Alligator Strap with White Edges€210
Millenium Cognac Alligator Strap€270
Matte Blue Alligator Strap€270
Green Rubberized Alligator Strap with Ecru Tribal Stitching€185
The Master Control 4138420, seen from the bench
The Master Control represents one of Jaeger-LeCoultre's classic collections, characterized by multiple complications in a traditional design. It houses the Jaeger-LeCoultre 759 caliber with column-wheel chronograph functions, full calendar, and moon phase indication. The reference 4138420 integrates indicators for hours, minutes, date, day, month, and chronograph in a dress watch configuration.
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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
