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Polished 18k red gold case.
Silvered dial.
Polished applied index and roman numeral hour markers.
Minutes/seconds/fractions of seconds track indexes printed in black, with 5 minute increments printed in Arabic numerals.
Polished gold hands.
Elegant leaf shaped hour and minutes hands.
Chronograph / stopwatch functions:
Large central seconds counter.
30 minute sub-dial counter located at the 12 o'clock position.
12 hour sub-dial counter located at the 6 o'clock position.
Regular running seconds hand sub-dial located at the 9 o'clock position.
Sub-dial perimeters are slightly recessed with a fine concentric guilloche texture, chronograph sub-dials also have a very thin polished gold rim on the outer edge.
Day and date window displayed at the 3 o'clock position.
IWC calibre 79320, contains 25 jewels and beats at 28,800 vph and has an approximate power reserve of 44 hours.
Material
Functions
| Brand | IWC |
| Model | Portofino Chronograph |
| Reference | IW391025 |
| Papers | Yes |
| Box | Yes |
| Condition | Unworn |
| Bracelet color | Brown |
| Case diameter | 42 mm |
| Dial numerals | Roman |
| Movement | Automatic |
| Caliber | 75320 |
| Power reserve | 44 hours |
| Water resistance | 30 |
| Glass | Anti-reflective scratch resistant sapphire |
| Clasp type | Buckle |