Buy the replica Portugieser 42mm that gets the case profile and the dial printing right, not the one with the longest feature list. On this watch the tells sit in three places: the leaf hands, the depth of the subdials, and the crispness of the applied numerals. A version that gets those three right reads as correct from across a table. A version with a flat dial and a decorative power reserve does not, no matter what the listing promises. Everything else, from strap stitching to box contents, is secondary.

What to look at before you pay

The 42mm Portugieser family is a dress watch with a large, open dial. That layout punishes sloppy finishing, because there is nowhere to hide. Work through these points in order.

  • Case profile. The mid case should step cleanly from brushed flank to polished bezel. Look for a soft, rounded transition where the lugs meet the case. That blur is the most common flaw on cheaper examples.
  • Dial printing. The minute track, the brand lettering and the numerals should sit on the surface with sharp edges. Fuzzy or thick printing is visible at arm's length under daylight.
  • Subdial depth. The small seconds at 9 and the power reserve at 3 should sit in dished recesses with a visible step down from the main dial. Painted-on subdials are an instant giveaway.
  • Hands. Leaf hands should reach the minute track without overhanging it, with a clean bevel down the centre. Bent tips or blunt ends are a sign of a cheap handset.
  • Crystal. Domed sapphire with anti-reflective coating on both faces. A strong blue or purple cast under light means coating on one side only.
  • Caseback. A display back with a sapphire window, engraved reference text and a rotor that turns freely when you tilt the watch.

Parameter bands to check with calipers

The original Portugieser Automatic 42 measures 42.3mm across the case and about 14.5mm tall, and it is rated to 5 bar. Use these ranges as your filter when a listing gives numbers.

  • Case diameter: 42.0mm to 42.5mm. Anything listed as 41mm or 44mm is a different model.
  • Case height: 13.8mm to 14.8mm. A watch under 12mm looks flattened next to the real thing.
  • Lug width: 22mm on most versions. Confirm before you order a spare strap.
  • Head weight: roughly 75g to 95g without the strap. A very light head suggests thin plating or a hollow case.
  • Beat rate: 28,800 vibrations per hour. Ask for a timegrapher photo if the seller offers one.
  • Crystal: 2mm domed sapphire, front and back glass both sapphire, not mineral.

Movement and function checks

The genuine Automatic 42 uses a seven day movement with small seconds at 9, a power reserve display at 3 and a date at 6. Replicas of this layout fall into two groups. The first group uses a movement with a working power reserve that tracks the mainspring. The second group bolts a decorative needle onto the dial that never moves.

Ask the seller to send a short video. Wind the watch, watch the reserve needle climb, then let it run and see whether the needle falls as the hours pass. If the needle stays put, walk away. The same video tells you whether the small seconds sweeps rather than ticks, and whether the date flips with a clean snap.

Regulation is worth a question too. A watch that gains 15 seconds a day is usable. One that gains 60 needs a service that costs more than the watch.

Common pitfalls

  • Marketing language. Phrases like "1:1" or "super clone" carry no agreed meaning. Judge the photos, not the label.
  • Stock photos. If the pictures are studio shots of the original watch, ask for dated photos of the actual unit, including the caseback and crown.
  • Fake power reserve. Covered above, and the single most common disappointment on this model.
  • Date window placement. It belongs at 6. A date at 3 means a different movement and a different dial layout.
  • Water resistance claims. Treat any unlabelled rating as splash proof at best. Have a watchmaker pressure test before you wear it near water.
  • Import risk. Counterfeit watches are subject to seizure at the border in the United States and in much of the European Union. Budget for the loss and read the seller's policy on confiscated parcels.

FAQ

Is a 42mm case too large for a 7 inch wrist?

It sits at the upper end but works, because the bezel is thin and the lugs curve down. Check the lug to lug span, which is close to 50mm. If your wrist is under 6.5 inches, the 41mm chronograph case will look better proportioned.

How does the 42mm Automatic differ from the 41mm Chronograph?

Different dial layout, different movement, different case. The 42mm Automatic has small seconds at 9 and a power reserve at 3. The Chronograph has two counters at 12 and 6 with a date at 3. Do not accept one as a substitute for the other.

Should I replace the strap?

Often yes. The supplied leather is the weakest part of most replicas. A 22mm alligator grain strap with a proper deployant clasp improves the look more than any other single change, and it protects the original strap from wear.

What does servicing cost?

Plan on a cleaning and regulation from a local watchmaker at some point. Ask upfront whether the movement is a common pattern that parts are available for. Exotic movements can be difficult to source parts for.