The Jaeger-LeCoultre Master Compressor Diver collection was introduced at SIHH 2007, featuring three over-sized limited edition dive watches.The case of the Chronograph measures 44mm across, holding the self-winding caliber 751D. Reference 187T170 is fitted with a titanium bracelet; it was also available on a choice of rubber straps.- Articulated rubber and diving strap: Q186T770 – Moulded rubber and diving strap: Q186T670 – Titanium bracelet and diving strap Q186T170
