IWC IW376804 Aquatimer Chronograph SS Black Dial (34400)

34400 IWC Aquatimer Chronograph, IW376804, 376804, 3768-04, stainless steel on a stainless steel bracelet, automatic movement, chronograph, day, date, 44 hour power reserve, external rotating bezel, small seconds at 9 o'clock, black dial with luminous hands and hour indicators, sapphire crystal, water resistant to 300 Meters, diameter: 44 mm, thickness: 17 mm, like new with the original box and papers dated December of 2019.


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More about IWC IW376804 Aquatimer Chronograph SS Black Dial

This is a stainless steel IWC Aquatimer Chronograph IW376804. It has a stainless steel bracelet fitted with a quick-change system featuring a spring-loaded lever, and a scratch resistant sapphire crystal. There is a screw-down solid case back engraved around the perimeter with "INTERNATIONAL WATCH CO – AQUATIMER – CHRONOGRAPH – 300M," and a serial number. It has round chronograph pushbuttons and a screw-down winding crown. There is an IWC safe-dive system with a unidirectional rotating bezel At 9 o'clock on the left-side case band with two correctors and a sliding clutch system that allows the external bezel to interact with the internal bezel; the sliding clutch system has a polished protective cover. The 44mm diameter solid three-body case, straight angled lugs, and flat bezel are brushed/polished. It has a black dial with fat white luminous baton hands that illuminate blue on the hour hand, and green on the minute hand, and a center sweep chronograph hand with a skeletonized white arrow tip and counterbalance. There are black-rimmed applied index hour markers filled with white luminescent paint that illuminates blue, around a minute/seconds chapter ring. Around the perimeter and underneath the crystal is a flat silver bezel with a 60-minute dive scale with Arabic numerals at the quarter-hours, including a luminous 15-minute index and a triangle at the 12 o'clock position. There are twin rectangular aperture windows for the day and date at 3 o'clock. It has three recessed silver subsidiary dials, including a running seconds register with a yellow hand at 9 o'clock, a 12-hour totalizer at 6 o'clock, and a 30-minute dial at 12 o'clock. It has 44-hour power reserve at full wind, and it's water resistant to 300 Meters/1000 feet. The 17mm thick case, dial, and movement are all signed.

This IWC Aquatimer Chronograph IW376804 has a mechanical automatic self-winding IWC caliber 79320 movement. It's rhodium-plated and constructed with 25 jewels, a shock absorber mechanism, and a straight-line lever escapement. It includes a monometallic balance that's adjusted to 5 positions, a self-compensating flat balance spring, and the mechanism oscillates at 28,800 vph (4 Hz).

The original IWC Aquatimer Chronograph debuted in 1967.