Jaeger-LeCoultre · Master Extreme
Strap for Master Compressor Diver Chronograph Titanium / Rubber
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 diameter44 mm
Reference186T670 (aka: Q186T670 )
FamilyMaster Extreme
MovementJaeger-LeCoultre caliber 751D hours, minutes, small seconds | Chronograph, column wheel
Year2007 - 2009
CaseTitanium
Straps for the Master Extreme 186T670 (aka: Q186T670 )
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 Extreme 186T670 (aka: Q186T670 ), seen from the bench
The Jaeger-LeCoultre Master Extreme 186T670 is a sophisticated sports chronograph from the Master Extreme collection, featuring a grade 5 titanium case with 44mm diameter and 20mm lug width. It houses the caliber 751D movement with column wheel chronograph mechanism, displaying hours, minutes, small seconds and chronograph functions. The titanium construction offers corrosion resistance and reduced weight compared to steel, while the column wheel ensures smooth chronograph engagement without backlash.
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