



Portofino Quartz Yellow Gold
REF. IW3331-03
9/10
Exceptionally rareCase
Dial
In Context
At 34 mm it is classically proportioned: the size a dress watch was understood to be for most of the twentieth century, and small enough to sit under a cuff. The 5.8 mm case is genuinely slim and goes under a shirt cuff without argument. The case back is closed, so the movement stays out of sight, 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.
It is quartz, so it will hold time far more closely than any mechanical watch here, and asks for a battery every few years rather than a service.
IW3331-03 is one of 2 executions of the IW3331 base reference. Underneath they are the same watch; what separates this one is a white dial and a yellow gold case. Introduced in 1980.
The IW3331 family
IW3331-03 is one of 2 variants sharing the IW3331 base reference — same watch underneath, different dial, bezel, or bracelet execution. Browse the others:
Inside: Caliber 2210
Explore this caliber →1 other watch in the library runs the IWC 2210.
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