Brand: IWC
Reference: IW371903;?371903 ; 3719
Model: Aquatimer Chronograph Titanium Steel Black Dial
Size : Men (42mm)
Function: Date. day. Chronograph
Case: Titanium
Movement : Mechanical Automatic (cal. 79320)
Condition: 90%
Remarks: Box & Warranty Card Only
This is a titanium IWC Aquatimer Chronograph IW371903 which was introduced in 2004. It has an integral titanium link bracelet with a titanium double deployment clasp. and a resistant sapphire crystal. There is a brushed screw-down solid case back engraved with “INTERNATIONAL WATCH CO. ?C AQUATIMER.” It has a screw-down winding crown. and a round chronograph push button at 2 o’clock. The crown at 4 o’clock operates the 60-minute unidirectional revolving bezel with a yellow 15-minute regatta count down scale located beneath the crystal (this crown also operates the chronograph reset button). The 42mm diameter solid three-body case. straight angled lugs. and flat bezel are polished/brushed. It has a black dial with luminous steel baton hands. a sweep center chronograph hand. and luminous minute/one-fifth second divisions and numerals. There are three black subsidiary dials. including a 12-hour totalizer at the 6 o’clock position. a running seconds dial at 9 o’clock. and a 30-minute register is at 12 o’clock. There are two rectangular aperture windows at 3 o’clock for the day and the date at 3 o’clock. It has a 44-hour power reserve at full wind. and it’s water resistant to 120 meters/400 feet. The 14mm thick case. dial. and movement are all signed.
This IWC Aquatimer Chronograph IW371903 has a mechanical automatic self-winding IWC 79320 movement that’s rhodium-plated with fausses cotes embellishment. It’s constructed with 25 jewels. a shock absorber device. and a straight-line lever escapement. It includes a monometallic balance that’s adjusted to 5 positions. a self-compensating flat balance spring. and a hacking seconds mechanism for precision time setting.