Jaeger LeCoultre Q1778470 Compressor Extreme World Alarm SS 46.3MM (30600)

30600 Jaeger-LeCoultre 177.84.70 Master Compressor Extreme World Alarm Q1778470, 177.84.70, stainless steel on a rubber strap with a stainless steel buckle, automatic movement (JLC caliber 912), 24 different world times surround the dial with red and white hour ring (world time is adjusted by the red crown located at the 10 o'clock position), alarm function (set by the crown at the 1 o'clock position, date at 3 o'clock, centered sweep seconds hand, black dial with luminous hands and hour markers, size 46.3 mm, thickness 16.5 mm, sapphire crystal, water resistant to 100 meters, Like New with Box and Papers, dated June 2013.

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More about Jaeger LeCoultre Q1778470 Compressor Extreme World Alarm SS 46.3MM

This is a stainless steel and titanium Jaeger LeCoultre Master Compressor Extreme World Alarm Q177.84.70. It has a grey rubber strap with a stainless steel tang buckle, and a cambered scratch resistant anti-reflective sapphire crystal. It has a winding crown and chronograph buttons with twist-lock guards and red directional markers, and a crown at 10 o'clock for setting the world time dial. The 46.3mm diameter solid three-body case, downturned lugs, and flat inclined bezel are polished. It has a solid case back secured with 4 screws and engraved with "JAEGER-LECOULTRE – EXTREME W-ALARM – 10ATM – SWISS MADE – MASTER COMPRESSOR – 1000 HOURS," and a serial number. The dial is black with "extreme w-alarm" in red, luminous dart indexes, and Arabic half-hour numerals It includes a luminous white outer fifths of a second/minute divisions, luminous steel alpha hands, and a central steel sweep chronograph hand with a red arrow tip. There is a rotating 24-hour ring for the diurnal/nocturnal hours in red and white, and around the perimeter is a black outer world time GMT disc with the 24 cities that represent the specific time zones, adjustable by the red Aluminum crown at 10 o'clock. There is an alarm function with a red center hand that can be deactivated by depressing the lever piece at 10 o'clock; it has a 2-disc retrograde minute and hour system visible through an aperture at 9 o'clock. A trapezoidal date aperture is at 3 o'clock with rapid date change via the counter-clockwise crown direction at 2 o'clock. It's water resistant to 100 meters/330 feet, and it has a 45-hour power reserve. The 16.5mm thick case, dial, and movement are all signed.

This Jaeger LeCoultre Master Compressor Extreme World Alarm Q177.84.70 has a mechanical automatic self-winding Jaeger LeCoultre caliber 912 movement that's rhodium-plated, with fausses cotes embellishment. It's constructed with 28 jewels, twin barrels mounted in series, 315 components, and an anti-shock devoce. It includes a straight-line lever escapement, a self-compensating flat balance spring, and a monometallic balance that's adjusted for heat, cold, and 5 positions. The mechanism oscillates at a frequency of 28,800 vph (4 Hz).

The Jaeger LeCoultre Master Compressor Extreme World Alarm Q177.84.70 was introduced c. 2011.