Maurice Lacroix Masterpiece Grand Guichet Ref. 58789

If you spend enough time digging through vintage watches, you start noticing a pattern: the market tends to reward hype, not substance. And that’s exactly why pieces like the Maurice Lacroix Masterpiece Grand Guichet Ref. 58789 are still flying under the radar.

At first glance, it looks like a classic, slightly conservative dress watch. But once you look closer, you realise there’s more going on here than most watches in this price range. A proper big-date complication, a solid ETA-based movement, and an actual 18K gold bezel — not plating, not coating, but real gold. And somehow, it’s still relatively affordable.

This is exactly the kind of watch we like.

A Classic Design With a Twist

The Grand Guichet design is all about balance. The large date window at 12 o’clock immediately catches your attention, but it doesn’t overpower the dial. It’s paired with a small seconds subdial at 6, creating a symmetrical layout that feels intentional and clean.

What makes this different from your average date watch is the way the date is displayed. Instead of a single disc, Maurice Lacroix uses two separate discs — one for the tens and one for the units — giving you that oversized, easy-to-read “big date” look. It’s a small detail, but it adds a lot of presence on the wrist.

Most versions of the Ref. 58789 come with a silver dial, often made of solid silver, which gives it a slightly warmer tone compared to standard white dials. Some black dial variants exist as well, and depending on the version, you’ll see a mix of Roman numerals and applied markers.

It’s classic, but not boring — and that’s a hard balance to get right.

Steel Case, Real Gold Bezel

One of the most interesting aspects of this reference is the case construction. The watch is primarily stainless steel, but the bezel is made of 18K gold, usually marked as “750,” which is the Swiss standard for 18K.

This matters more than it sounds.

A lot of watches in this segment use gold plating or PVD coatings to create the same look. Here, you’re getting actual gold. It adds a subtle warmth to the watch and gives it a slightly more elevated feel without going full precious metal.

At 38 mm, the case size sits in that perfect sweet spot. It wears comfortably, feels elegant, and doesn’t try too hard. The thickness is under 10 mm, so it slips easily under a cuff, making it a proper dress watch in terms of proportions.

The Movement: Reliable, Proven, and Easy to Live With

Inside the watch is the Maurice Lacroix calibre ML58, which is based on the ETA 2892 — one of the best-known and most respected automatic movements out there.

That’s actually a big advantage.

You’re not dealing with an obscure or fragile in-house movement. The ETA 2892 is slim, reliable, and widely serviceable. Maurice Lacroix adds its own finishing and integrates the big-date complication, but the base remains solid and proven.

In practical terms, this means the watch is not only enjoyable to wear, but also realistic to maintain long-term. Any competent watchmaker will be familiar with it, and parts availability isn’t a nightmare.

That alone makes it a safer buy compared to many niche vintage pieces.

The Big Date: Where It Gets Interesting

The real star of the show is the Grand Guichet complication itself.

The double-window date at 12 isn’t just a design choice — it’s mechanically more complex than a standard date. The two-disc system needs to stay perfectly aligned and switch cleanly at midnight. When it works properly, it feels sharp and precise. When it doesn’t, it’s usually a sign the watch needs a service.

It’s also the kind of complication that gives the watch character. You don’t see it everywhere, especially not at this price level.

That’s what makes this piece stand out.

Market Reality: Still Undervalued

This is where things get really interesting.

Looking at actual sales and current listings, the Maurice Lacroix Grand Guichet Ref. 58789 sits in a strange position. Auction results have gone as low as around $450 for pieces that likely need work, while solid examples tend to land somewhere between $700 and $1,000. Dealer listings can push closer to $1,500, especially for cleaner pieces or full sets.

That’s a big spread, but it also tells you something important.

The market hasn’t fully decided what this watch is worth.

And that creates opportunity.

For what you’re getting — a proper complication, a respected movement, and real gold — it’s still cheap. Not “microbrand cheap,” but definitely undervalued compared to similar watches from bigger names.

What You Need to Watch Out For

Like any watch from this era, condition is everything.

The gold bezel can show wear over time, and polishing can soften its edges. The big-date mechanism should be checked carefully — misaligned digits or slow switching usually mean it’s due for a service. And as always, try to confirm the movement if possible, especially if there’s a display caseback.

Service history matters here. A well-maintained example is a completely different watch compared to one that’s been neglected for years.

Final Thoughts

The Maurice Lacroix Masterpiece Grand Guichet Ref. 58789 is one of those watches that doesn’t shout for attention, but quietly delivers more than you expect.

It has enough technical interest to keep things exciting, enough classic design to remain wearable, and just enough gold to give it presence. Most importantly, it still sits in that sweet spot where the price hasn’t caught up with the quality.

If you’re into flipping, there’s margin here. If you’re collecting, there’s value here. And if you just want something a bit different from the usual suspects, this is an easy recommendation.

This is exactly the kind of watch you buy before everyone else notices.