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How to Spot a Bad Custom Build: Nine Checks

Most custom watches look right in a photograph and fall apart in the hand. Nine checks that take ten minutes and separate a bench-built watch from a boxed assembly.

22 October 20263 min readWorkshop notes

How to Spot a Bad Custom Build: Nine Checks

Most custom watches photograph well. Almost all of them do — dials are printed by machines and cases are cut by machines. The difference between a watch that lasts and one that does not hides in nine places you can check yourself in about ten minutes, with no tools beyond your eyes and a bright light.

1. The hands line up at midnight

Set the watch to twelve o’clock and look at the minute and hour hands. They should be parallel and point exactly at the marker. If one sits high, or the pair does not meet the index cleanly, the hands were pressed on without a setting jig. It is a five-second check that catches a third of cheap builds.

2. The date flips at midnight, not at 11:40

Set the time to 23:50 and watch. A properly assembled movement changes the date within a few minutes of twelve. A date that starts rolling at 11:30 and finishes at 12:20 means the calendar wheel was assembled without timing — and it will jam eventually.

3. The bezel clicks are even

Rotate a diving bezel around its full travel. Every click should feel identical: the same resistance, the same pitch, the same gap at the twelve o’clock marker when it seats. Uneven clicks mean a worn or badly seated click spring.

4. The bracelet articulates without slack

Hold the watch by the case and let the bracelet hang. Links should fall into a smooth curve with no lateral wobble. Wiggle each link sideways: anything that moves more than a millimetre will rattle within a year.

5. The lume is even under a lamp

Charge the dial under a lamp for sixty seconds, then look at it in a dark room. Lume should glow with the same intensity across the markers and hands. Patchy lume means hand-applied paint with inconsistent thickness — a sign of hurry, not of handwork.

6. The crystal has no halo

Look at the crystal edge from the side at a shallow angle. A sapphire crystal should sit flush, with an even gasket line and no white halo of trapped air. A halo means the crystal was pressed into a dirty seat, and moisture will find it.

7. The caseback engraving is sharp, not soft

Run a fingernail across the engraving. Crisp edges catch; laser-etched text that has been polished afterwards feels rounded. Soft engraving is not a fault in itself, but it usually travels with soft finishing elsewhere on the case.

8. The crown screws down smoothly

Unscrew and re-screw the crown ten times. The threads should engage without grit and stop cleanly. A crown that catches is a crown that will strip, and a stripped crown tube is a case repair, not a service.

9. The timing printout matches the watch

Ask for the six-position timing printout. Rate should sit inside ±10 seconds a day, amplitude above 250 degrees, beat error under 0.5 ms. If there is no printout, there was no regulation — and no regulation means nobody looked at the movement after it was cased.

What these checks really measure

None of them is about brand, price or specification. Every one measures the same thing: whether a person handled the watch after it was assembled. Assembly is mechanical and identical everywhere. Inspection is where the money goes, and inspection leaves traces you can see.

The ten-minute inspection
CheckWhat a failure means
Hands at midnightHands set without a jig
Date flip timingCalendar assembled untimed
Bezel clicksWorn or mis-seated spring
Bracelet articulationLoose link pins
Lume evennessRushed dial work
Crystal haloDirty crystal seat
Engraving sharpnessPost-polish after marking
Crown threadsCross-threaded tube
Timing printoutNo regulation performed

If you want the checks done for you, every watch that leaves our bench ships with the printout and photographs taken after regulation — not before. See how the bench works, or send us the reference you are considering.

Next

Send the reference. Get the build.

Photograph, reference number, or both — the bench replies with the closest build, the price and the lead time, usually inside two hours.

WhatsApp +852 4683 7786 Enter the collection

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