Introduction
The Laco Dortmund (ref. 861751) is a modern interpretation of the legendary WWII B-Uhr pilot watches, but it's not just a historical reissue. It's a daily-wear tool watch that balances heritage with contemporary ergonomics. As someone who spends every week testing watches on the wrist, I've come to appreciate the Dortmund for its understated presence and remarkable comfort. It doesn't scream for attention, but it earns respect through its build quality and legibility.
Laco, one of the original five manufacturers of the B-Uhr, has been producing pilot watches since the 1930s. The Dortmund is part of their 'Speyer' line, which honors the city where Laco was founded. This particular reference, 861751, features a clean black dial, Arabic numerals, and a date window at 6 o'clock—a practical addition for modern use. It's a watch that respects its roots while acknowledging that we live in a world of deadlines and meetings.
In this review, I'll dive deep into how the Dortmund performs on the wrist: its lug-to-lug, weight, legibility, and whether it can survive a real week of commuting, gym sessions, and dinner dates. I'll also examine the movement, accuracy, and value proposition. If you're a young collector looking for a versatile pilot watch that doesn't break the bank, the Dortmund deserves your attention.
Brand History
Laco was founded in 1925 in Pforzheim, Germany, and quickly became a prominent manufacturer of timepieces. During World War II, Laco was one of only five companies contracted to produce the B-Uhr (Beobachtungsuhr) observation watches for the Luftwaffe. These 55mm monsters were designed for navigational purposes and featured a distinctive dial with a triangle at 12 o'clock and large luminous numerals. After the war, Laco continued producing civilian watches, and in the 2000s, they revived the flieger aesthetic with modern sizes and movements. Today, Laco is known for its faithful recreations and contemporary pilot watches that maintain the spirit of the originals.
Movement
Inside the Dortmund beats the Laco 24 caliber, which is based on the Sellita SW200-1. This is a workhorse automatic movement with 26 jewels, a frequency of 28,800 vph, and a power reserve of 38 hours. It's not a high-end in-house movement, but it's proven and easy to service. The rotor is decorated with Laco's logo and the plates feature perlage. The date changes crisply at midnight, and the winding is smooth. While the power reserve is modest, it's sufficient for daily wear. The movement is not COSC-certified, but my test unit performed within acceptable tolerances.
Specifications
- Case Diameter: 42mm
- Case Thickness: 12.5mm
- Lug-to-Lug: 48.5mm
- Case Material: Stainless steel
- Crystal: Sapphire (domed)
- Water Resistance: 100m
- Lume: Super-LumiNova X1
- Strap: Leather with pin buckle
Wrist Feel
The Laco Dortmund wears surprisingly compact for a 42mm case. The 48.5mm lug-to-lug ensures it sits flat on my 6.5-inch wrist without overhanging. The case is slightly curved, and the leather strap is supple from day one, with a subtle taper that keeps the watch centered. At 12.5mm thick, it slides under a dress shirt cuff without complaint. The weight is moderate—around 80 grams on the strap—which gives it a reassuring presence without feeling like a brick. I wore it for a full week, including a long flight and a weekend of hiking, and I forgot I had it on most of the time. The pin buckle is comfortable, and the strap's quick-release system makes swapping easy.
The dial is a masterclass in legibility. The matte black surface reduces glare, and the white Arabic numerals are large and crisp. The cathedral hands are filled with Super-LumiNova X1, which glows brightly after a full charge and remains readable through the night. The date window at 6 o'clock is discreet but functional, and the domed sapphire crystal adds a vintage touch without distorting the dial. The crown is signed and easy to grip, though it's not screw-down—but with 100m water resistance, you can swim without worry.
Accuracy
Over a week of wear, the Laco 24 movement performed admirably. I measured an average of +6 seconds per day, which is within acceptable parameters for a non-chronometer movement. The rate was consistent whether I wore it all day or let it rest overnight. The power reserve of 38 hours is a bit short by modern standards, but if you wear it daily, it's a non-issue. I did notice that the movement is sensitive to position—when left dial-up overnight, it gained a bit more, but nothing alarming. For a watch in this price range, the accuracy is solid and predictable.
Occasions
The Dortmund is a versatile piece. It works for daily office wear, casual weekends, and even formal events if you pair it with a dark suit. Its sporty yet classic design means it can handle a hike or a swim, though I'd swap the leather strap for a NATO or rubber for water activities. It's also a great travel companion—the 100m water resistance and robust build make it a reliable beater for adventures.
Wrist Presence
3.5/5 - The Dortmund is not a showstopper; it's a quiet professional. It has a distinct pilot watch character that watch enthusiasts will recognize, but it doesn't draw attention from the uninitiated. The 42mm case is versatile, and the black dial with white numerals is timeless. It's a watch that says 'I know what I'm wearing' without shouting.
Reference Variants
The 861751 is the standard version with a leather strap and date. There's also the 861752 with a stainless steel bracelet, and the 861750 without a date for a cleaner dial. All share the same case and movement.
Family and Similar Watches
In Laco's lineup, the Dortmund sits alongside the Speyer, Aachen, and Paderborn models, all of which are 42mm fliegers with similar dials. If you're looking for alternatives, consider the Stowa Flieger Verus 40, Archimede Pilot 42, or Hamilton Khaki Aviation Pilot Pioneer. Each offers a different take on the pilot watch theme.
Investment Value
The Laco Dortmund has an MSRP of $850, and pre-owned prices range from $550 to $700. The value is stable—it won't appreciate significantly, but it also won't drop drastically. It's not an investment piece; it's a daily wearer. For a trust-fund-baby buyer, this is a modest purchase that offers genuine heritage and daily wearability without the flash of a luxury brand. It's a smart, understated choice.
Service and Maintenance
Laco recommends a service every 5 years, which typically costs around $250. Since the movement is a Sellita SW200, any competent watchmaker can service it, so you're not locked into an authorized dealer. The sapphire crystal and 100m water resistance mean you won't need frequent repairs.
Pros and Cons
Pros
- Excellent legibility with high-contrast dial and lume
- Comfortable 42mm case with short lug-to-lug
- Reliable Sellita-based movement
- 100m water resistance for a pilot watch
- Quick-release strap for easy swapping
Cons
- Power reserve of only 38 hours
- Not a screw-down crown, though 100m is fine
- Date window at 6 o'clock may be too subtle for some
- Leather strap is decent but not premium
Final Verdict
The Laco Dortmund is a superb everyday pilot watch that honors its heritage while delivering modern comfort. It's not a showpiece, but it's a reliable companion that you'll never want to take off. If you're looking for a versatile, well-built flieger under $1,000, the Dortmund is a top contender.
