Marine Perpetual Calendar Limited Edition 333-92B0-3C/923
 Heavy Quality ETA Automatic Movement with Self Winding Function
 Heavy Quality Stainless Steel Dial Case
 Scratch Resistant Textured Rotating Tachymeter Dial Ring
 Textured Dial with Radium Highlighted Figures
 Working Chronograph with Magnified Date Indicator Window in Dial
 100% Gold Myota Japanese Mashinery Open Back with Fully Visible
 Ulysse Nardin Logo on Crown and Lock
 Heavy Quality Multicolour Full Silicone Strap
 Heavy Quality Double Press Clasp Lock
 Master Quality & Making
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| Device | White | Black | Red | Green | 
|---|---|---|---|---|
| Chair | 14-14.5 | 15-15.5 | 16-16.5 | 17-17.5 | 
| Moniter | 14-14.5 | 15-15.5 | 16-16.5 | 17-17.5 | 
| Keycaps | 14-14.5 | 15-15.5 | 16-16.5 | 17-17.5 | 
| CPU | 14-14.5 | 15-15.5 | 16-16.5 | 17-17.5 | 
| Mouse | 14-14.5 | 15-15.5 | 16-16.5 | 17-17.5 | 
A chronograph is a watch that can measure elapsed time. It typically has three sub-dials that can be used to measure seconds, minutes, and hours.