Jaeger-LeCoultre · Master Control
Strap for Master Control Chronograph Calendar Stainless Steel / Blue / Strap + Bracelet
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
ReferenceQ4138180 (aka: 4138180)
FamilyMaster Control
MovementJaeger-LeCoultre caliber 759 hours, minutes | date, day, month | Chronograph, column wheel | moonphase
Year2025
CaseStainless Steel
Straps for the Master Control Q4138180 (aka: 4138180)
Selected for the 20 mm lug width · workshop selection
Black Rubberized Alligator Strap with Red Tribal Stitching€185
Matte Dark Gray Alligator Strap€195
Matte Black Alligator Strap — Minimal Stitching€149
Vintage Brown Calfskin Strap — Natural Patina€98
Hammered calfskin strap in cuoio€98
The Master Control Q4138180 (aka: 4138180), seen from the bench
The Jaeger-LeCoultre Master Control represents a collection of classic watches with multiple complications. The reference Q4138180 houses the manufacture caliber 759 with functions including hour, minute, full date, column-wheel chronograph, and moon phases. The movement incorporates a column-wheel for the precise control of the chronograph function.
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