IW379406
Aquatimer Perpetual Calendar Digital Date-Month
Automatic winding, Diameter 49.0 mm
PRODUCT INFORMATION
- Black dial
- Black rubber strap with IWC-patented quick-change system Strap width 22.0 mm
DELIVERY & RETURNS INFORMATION
Limited Availability – contact us to learn about purchase options
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Aquatimer Perpetual Calendar Digital Date-Month
The Aquatimer Perpetual Calendar Digital Date-Month features an imposing 49-millimetre Ceratanium® case and case back ring, a black dial and black hands with blue luminescence, and a black rubber strap with a Ceratanium® pin buckle.
Perpetual calendar with digital date & month displays
Despite the complexity of the perpetual calendar with four large discs for the date and month, as well as a small leap year disc, it can be easily set using the crown and will not require correction until 2100. The date advance wheel for the single-digit and tens discs advances daily. However, the quick-action switch siphons off a little energy every night when the date display moves forward. It stores this energy and then discharges it precisely at the end of the month or year when, in addition to the date and month disc, the leap year disc also needs to be advanced. The digital display dates back to the IWC Pallweber watches from 1884 that displayed the hours and minutes using digits.
- Features
- Case
- Movement
- Packaging
- Case Ceratanium® Case
- Diameter 49.0 mm
- Height 19.4 mm
- Screw in crown true
- Back case See-through sapphire glass back
- Water resistance 10.0 bar
- Calibre 89802 Calibre
- Movement type Automatic winding, IWC-manufactured movement
- Power Reserve Indicator 68 hours
- Frequency 28'800 VPH (4 Hz)
- Components 474
- Jewels 51
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