Vintage Portofino 1984 Platinum
REF. IW5448-05
4/10
UncommonCase
Dial
In Context
At 46 mm it is a large watch — well above this catalogue’s 40 mm median, and enough to dominate a narrow wrist. At 11 mm thick it is about average for a modern wristwatch. The case back is open, so the movement is visible without taking the watch apart, and the sapphire crystal will resist everything short of deliberate abuse. Rated to 30 m, it is protected against rain and splashes and nothing beyond that.
The movement is hand-wound, so winding it becomes part of the day rather than something the watch does for you. 46 hours of reserve carries it overnight, but not through a weekend in a drawer. At 18,000 vph the seconds hand advances 5 times a second, the slower and more audible rate of an older design.
IW5448-05 is one of 5 executions of the IW5448 base reference. Underneath they are the same watch; what separates this one is a silver dial and a platinum case. It was a limited edition.
The IW5448 family
IW5448-05 is one of 5 variants sharing the IW5448 base reference — same watch underneath, different dial, bezel, or bracelet execution. Browse the others:
Inside: Caliber 98800
Explore this caliber →The IWC-manufactured 98800 calibre is base on the the first Jones calibres; a further-improved movement based on the original calibre (98, 9820). This movement is a tribute to the 'Spiegelei' Portofino watch from 1984 with reference 5251.
4 other watches in the library run the IWC 98800.
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