Jaeger-LeCoultre · Master Control
Strap for Master Control Date Stainless Steel / Silver
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
ReferenceQ4018421 (aka: 4018421)
FamilyMaster Control
MovementJaeger-LeCoultre caliber 899AC
Hours, Minutes, Seconds | Date
CaseStainless Steel
Straps for the Master Control Q4018421 (aka: 4018421)
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 Q4018421 (aka: 4018421), seen from the bench
The Master Control features the Jaeger-LeCoultre 899AC automatic caliber with hour, minute, second and date indication. The watch adopts a classic three-hand configuration with date window. The Q4018421 reference maintains the traditional proportions of the Master Control 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.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only