Jaeger-LeCoultre · Duomètre
Strap for Duomètre à Quantième Lunaire 40.5 Pink Gold
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 diameter42 mm
Reference6042521 (aka: Q6042521)
FamilyDuomètre
MovementJaeger-LeCoultre caliber 381 hours, minutes, seconds, Foudroyante seconds | date | moonphase
Year2014
CaseRose Gold
Straps for the Duomètre 6042521 (aka: Q6042521)
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 Duomètre 6042521 (aka: Q6042521), seen from the bench
The Jaeger-LeCoultre Duomètre à Quantième Lunaire 6042521 is a complex timepiece from the Jaeger-LeCoultre manufacture, presented in 2007. It features a 40.5mm pink gold case with a 20mm lug width and houses the caliber JLC 381 movement. The watch combines two independent mechanical systems with a shared case, incorporating a jumping second (foudroyante), lunar phase, and calendar complication on a dual-reading dial.
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
