The fake Portofino Small Seconds 37 is a 37mm replica of the IWC Portofino Automatic 37 from the caliber 35100 family, identified by its small seconds subdial at 6 o'clock and a clean three-hand dress layout. The best versions match the genuine 37mm diameter, roughly 9.4mm thickness, sapphire crystal and applied indices. Cheaper versions miss on case thickness, subdial depth and dial printing.
What specs should a fake Portofino Small Seconds 37 match?
Treat the genuine reference as your checklist. Any replica that drifts far from these numbers looks wrong on the wrist within seconds.
- Case diameter: 37mm
- Case thickness: about 9.4mm
- Lug width: 18mm
- Crystal: sapphire, ideally with anti-reflective coating on both sides
- Dial layout: small seconds at 6 o'clock, no center seconds hand
- Water resistance: 3 bar, or 30 meters, on the genuine watch
- Movement: IWC caliber 35100, built on a modified Sellita base
Which movement sits inside the replica?
Most mid-tier fakes run a Miyota 9015 or a Seagull ST21 with a small seconds module added on top. Top-tier examples use a Sellita SW300 base with the same small seconds conversion IWC uses, then decorate the rotor and bridges. Quartz versions exist, and on those the 6 o'clock subdial is often printed rather than a live running seconds hand.
How do you spot a low-quality Portofino 37 fake?
Most tells show up in the case profile and the dial, not in the logo. Compare these points against real photos before you commit.
- Case too thick, often 11mm or more instead of 9.4mm
- Subdial sitting high or low instead of centered at 6
- Flat printed subdial ring instead of a recessed, stepped track
- Soft dial printing, misaligned indices or uneven lume plots
- Date wheel with the wrong font size or weight
- Unsigned crown, or a signed crown with shallow engraving
- Stiff bonded leather strap instead of a soft alligator-grain strap
- Caseback engraving that is shallow and hard to read at an angle
Is a 37mm replica too small for a man's wrist?
37mm is a classic dress-watch size, and the short lug-to-lug of the Portofino 37 makes it wear larger than the number suggests. On a 6.5 to 7.5 inch wrist it sits close to a vintage watch and slides under a shirt cuff. If you wear 42mm sports watches daily, expect it to feel small for the first week.
What should you check before buying?
- Ask for a side-profile photo with calipers next to the case.
- Request a close-up of the subdial to confirm the track is recessed.
- Confirm which movement is fitted, since the price should track it.
- Check the lug width matches 18mm so straps are easy to swap.
- Ask whether the crystal has coating on one side or both.
FAQ
Do the subdial and date actually work on the replica?
Yes on automatic versions, where the small seconds hand sweeps from the real movement. On quartz versions the subdial is usually fixed or mimics a seconds hand at one tick per second.
How much does a good fake Portofino Small Seconds 37 cost?
Quartz entry models run roughly 60 to 120 dollars, decent automatics 150 to 250 dollars, and high-tier Sellita-based builds 300 dollars and up. The price tracks movement and finishing, not the printed logo.
Can a replica Portofino 37 be serviced?
Miyota and Sellita based replicas can be regulated and serviced by any competent watchmaker. Seagull and quartz movements are usually cheaper to replace than to repair.
Does the replica take genuine IWC straps?
If the lugs measure a true 18mm and the spring bars sit at the correct height, standard 18mm straps fit. Slightly oversized replica lugs can leave a visible gap at the case.