A replica Blancpain 1735 is a visual tribute to the 1735 Grand Complication, the platinum wristwatch Blancpain unveiled in 1991 and limited to roughly 30 pieces. Replica versions copy the dial layout, the stepped case, and the engraved caseback, but they do not reproduce the six complications of the original movement. Treat these watches as complicated-looking fashion pieces, not as functional grand complications.
What is the Blancpain 1735 Grand Complication?
The name refers to 1735, the year Jehan-Jacques Blancpain founded the house in Villeret, Switzerland. The watch carries a tourbillon, a minute repeater, a perpetual calendar with moon phase, and a split-seconds chronograph inside a platinum case of about 42 mm. The calibre uses around 740 components and is widely described as one of the most complex wristwatches ever made.
Does a replica Blancpain 1735 work like the original?
No. No replica at any price point reproduces the mechanical stack of the genuine 1735, because building that movement is a six-figure exercise in hand finishing. What you get instead:
- Minute repeater slide: usually a fixed lever on the case side, sometimes movable but silent.
- Tourbillon aperture: often an open-heart cutout or a printed cage, not a rotating carriage.
- Perpetual calendar subdials: date and month discs that may advance with the hour hand or stay frozen.
- Chronograph pushers: frequently decorative, with a running seconds hand selling the illusion.
Most examples run a quartz movement or a basic automatic with a 36 to 40 hour reserve. A few higher-tier builds use a decorated automatic with working date and day, which is the practical ceiling for this model.
How do you judge replica quality?
Case finishing matters most, because the original relies on a wide polished bezel and finely brushed flanks. Look for crisp engraving on the caseback, a domed sapphire crystal with clear anti-reflective coating, and dial printing that sits flat rather than raised and glossy. Weight is a useful signal: a platinum-look watch should feel dense, and a hollow stainless case with thin walls feels obviously light in hand.
What should you check before buying?
- Ask exactly which functions operate, in writing, including whether the date changes at midnight.
- Request photos or video of the specific unit, not catalog renders.
- Confirm the movement type, jewel count, and whether a local watchmaker can service it.
- Verify case diameter, thickness, and lug width so aftermarket straps fit.
- Check the seller's return window and shipping method, since customs seizure is a real risk.
Are there legal or ethical concerns?
Watches that carry the Blancpain name and logo without authorization are counterfeit goods, and US Customs can seize them at import. The 1735 name is a registered trademark, so resale and repair options are limited. If the appeal is the complication set rather than the badge, a hommage build or a genuine entry-level perpetual calendar serves the same interest without the legal exposure.
Frequently asked questions
How much does a replica Blancpain 1735 cost?
Expect roughly $80 to $400. Quartz versions sit at the low end, decorated automatics with working date and day at the top. Pricing above that range rarely reflects better mechanics.
Is a replica Blancpain 1735 water resistant?
Most are rated for splash resistance only. Gaskets are often thin and the pushers are not sealed, so keep the watch away from swimming and showering regardless of what the listing claims.
Can the complications be repaired?
Only moving parts can be serviced. Decorative subdials and silent repeater slides have nothing to repair, and a watchmaker will usually decline the job because parts are unavailable.