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Longines Spirit Pilot Flyback Chronograph 39.5mm Mens Watch Leather Black
Ref. L37214532
Sits in Longines’s upper tier here — more premium than three quarters of the Longines watches we list, which start at £1,050.
Price range £1,050 to £22,850 across 231 Longines watches in stock.Longines traces its involvement with flyback chronographs to the early 1930s, when it produced the first examples of the complication and filed the foundational patent in 1935. The Spirit Pilot line is built on that specific inheritance, and this 39.5mm manual version is the most wearable form it has taken: trimmed down in diameter from earlier automatic iterations and, at 13.4mm, slim enough to sit beneath a cuff without the bulk that most flyback chronographs carry. The L792.4 is COSC-certified and beats at 28,800vph with a silicon balance spring for magnetic resistance — but the choice to wind it by hand rather than fit a rotor is the decision that shapes the movement most. Through the caseback, nothing obstructs the column-wheel mechanism; the architecture reads cleanly in a way an automatic cannot match. Sixty-eight hours of reserve means a weekend away without winding on departure. The matte black dial with Arabic numerals and the ceramic bezel insert read as instrument rather than ornament, which is consistent with what the watch claims to be.
- Reference
- L37214532
- Brand
- Longines
- Collection
- Spirit
- Case size
- 39.5mm
- Case thickness
- 13.4mm
- Lug width
- 20mm
- Case material
- Stainless steel
- Case shape
- Round
- Dial
- Black
- Crystal
- Sapphire
- Bezel
- Bidirectional rotating
- Movement
- Automatic
- Functions
- Chronograph, Small seconds, Countdown timer
- Water resistance
- 100m
- Bracelet / strap
- Leather strap
- Strap colour
- Brown
- Clasp
- Folding clasp
- Lume
- Luminous
- Retailer
- Goldsmiths
Additional specifications
- Lug-to-lug
- 47.70mm
- Power reserve
- 68 hours
Learn more about Longines
Auguste Agassiz began trading watches in Saint-Imier in 1832, but the modern company dates from 1860, when his nephew Ernest Francillon built a factory in the meadows beside the Suze — the longines of the local dialect — and consolidated the scattered outworkers of the region under one roof.
Longines registered its winged hourglass in 1889. It is the oldest watch trademark still in continuous use.
The company's identity was built on precision and on timing things in public. It supplied chronographs for the first modern Olympic events it timed in 1896, timed the 1912 Federal Gymnastics Festival with a broken-wire mechanism accurate to a hundredth of a second, and developed the photo-finish camera and the quartz timing devices used across twentieth-century athletics.
Its aviation associations are equally deep. Longines instruments were carried by Charles Lindbergh across the Atlantic in 1927, and the Hour Angle watch, designed to Lindbergh's own specification to simplify longitude calculation, remains in the catalogue. Amelia Earhart and Howard Hughes both navigated by Longines.
The house was among the most decorated at nineteenth-century observatory trials, holding numerous precision records. Since joining the Swatch Group in 1983 it has occupied the accessible-heritage position: exclusive ETA-based movements, archive-driven designs through the Heritage line, and volume that makes it one of the group's most important brands.
- 1860
- Ernest Francillon builds the factory at Les Longines.
- 1889
- The winged hourglass is registered — the oldest watch trademark in use.
- 1912
- Broken-wire timing achieves hundredth-second accuracy.
- 1927
- Lindbergh crosses the Atlantic with Longines instruments.
- 1983
- Becomes part of the Swatch Group.
Manufacturer’s guarantee
Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
Yes. At 100m it is rated for swimming and snorkelling, though not for diving.
Will the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Does it need a battery?
No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.
How long does it run for when it's not worn?
About 68 hours fully wound — enough to sit off the wrist over a weekend and still be running.
What size strap does it take?
20mm. Any strap of that width will fit, and on most modern watches quick-release bars make the swap a two-minute job with no tools.
Will it fit my wrist?
Lug-to-lug is 47.70mm, which suits wrists from roughly 16.5cm (6½ inches) upward.
Lug-to-lug decides fit more than case diameter does.
Is it a men's or women's watch?
Listed as men's, though at 39.5mm it sits in the range that suits anyone.
Cheapest place to buy
Goldsmiths is the only UK retailer we track stocking this reference, so there is nothing to compare it against today.
Who are Goldsmiths?
Goldsmiths has been selling watches in Britain since 1778 and is part of the Watches of Switzerland Group, which is listed on the London Stock Exchange. They are an authorised dealer, so a watch comes with the manufacturer’s own warranty.
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