How to judge a fake IW545109
A replica IW545109 stands or falls on four things: case proportions, dial printing and subdial placement, the behavior of the hand-wound movement, and the caseback engraving. Ask the seller for macro photos of each item on that list before you send money. If any of the four is missing from the listing, treat the watch as unknown, not as good.
What you need before you start
- Reference photos of the genuine Portuguese Hand-Wound from the brand archive
- Digital calipers for diameter and thickness
- A 10x loupe or a phone macro lens
- The stated caliber number and power reserve for the exact reference
- A kitchen scale that reads to the gram
Step-by-step check
- Pull the official spec sheet for the reference and write down case diameter, thickness, lug width, and crystal type. Keep that list next to you for the rest of the inspection.
- Measure the case with calipers at the widest point. A replica that is half a millimeter off will wear differently on the wrist and usually points to a generic case shell.
- Measure thickness across the caseback. Thin replicas often hide a quartz or a slimmed automatic movement, both of which change the profile.
- Examine the dial print with the loupe. Check letter spacing, the weight of the strokes, and whether the printing sits level against the indices. Smeared or raised paint is a hard fail.
- Look at the small seconds subdial. The hand should sit centered with even clearance on all sides, and the subdial ring should be a crisp step, not a printed circle.
- Check the applied numerals and hands for finishing. Edges should be beveled, not stamped flat, and the hands should reach the correct point on the track.
- Wind the crown through a full power reserve. Note the resistance, listen for grinding, and time how long the watch runs once wound. Record the figure and compare it to the spec.
- Photograph the caseback under raking light. Look for shallow or uneven engraving, wrong reference text, and screws that do not sit flush.
- Weigh the watch on the strap and off it. Replicas built on generic cases usually come in light, and the difference shows up at the lugs.
- Inspect the strap, stitching, and buckle engraving last. These are the cheapest parts to swap, so sellers often photograph them instead of the dial.
Red flags to reject
- Only catalog renders or stock photos, no live macro shots
- Seller refuses a photo of the movement through the caseback
- Case diameter or thickness does not match the reference spec
- Winding action feels gritty or the crown threads catch
- Engraving depth varies across the caseback text
- Price far under the going rate for the quality tier described
Ask the seller these questions
Request the caliber number and the measured run time. Ask for a short video of the seconds hand in motion and a shot of the crown pulled to the setting position. Confirm the return window in writing. A seller who answers all four in one message is a safer bet than one who sends a photo album and no specs.