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Longines Master Collection Stainless Steel and 18ct Yellow gold 40mm Mens Watch Silver
Ref. L27935727
Sits in Longines’s upper tier here — more premium than three quarters of the Longines watches we list, which start at £900.
Price range £900 to £22,850 across 249 Longines watches in stock.The Master Collection has always occupied a specific position in the Longines catalogue: classical dress proportions with a movement specification that most competitors at this level cannot match. The L888 runs on a silicon balance spring, which makes it effectively immune to magnetic interference and considerably more stable over time than a conventional hairspring — and three days of power reserve means it will still be running on a Monday morning after a weekend off the wrist. At 9.4mm thick, a 40mm watch sits closer to a slim dress reference than anything designed to be noticed, which is exactly where the ivory dial and gilt leaf hands want to be. The two-tone construction is handled with restraint: 18ct yellow gold is used on the bezel and the inner bracelet links rather than as an overlay across the whole case, so the effect reads as considered rather than heavy. The folding clasp uses a dual push-piece release and sizes through conventional link removal — the 21mm lug width means a replacement strap is easy to source if the bracelet is not to taste.
- Reference
- L27935727
- Brand
- Longines
- Collection
- Master Collection
- Case size
- 40mm
- Case thickness
- 9.4mm
- Lug width
- 21mm
- Case material
- Two-tone
- Case shape
- Round
- Dial
- Silver
- Crystal
- Sapphire
- Movement
- Automatic
- Calibre
- ETA A31.L11
- Functions
- Date
- Water resistance
- 30m
- Bracelet / strap
- Stainless steel bracelet
- Strap colour
- Two-tone
- Clasp
- Folding clasp
- Lume
- Luminous
- Retailer
- Mappin & Webb
Additional specifications
- Power reserve
- 72 hours
- Warranty
- 5 years
- Gem set
- Yes
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.
Also in 5 collections
This watch appears in the Longines Master Collection range (47), Back in Stock (4,361), Automatic Watches (1,554), Silver Dial Watches (646) and Two-Tone Watches (445).
Manufacturer’s guarantee
Best of 2 retailers
What the specifications mean
A mechanical watch for everyday wear.
Strengths
- 40mm suits most wrists
- Sapphire crystal, which resists scratching
- 72-hour reserve survives a weekend off the wrist
- Luminous hands and markers for low light
- One of Longines's more premium watches
Worth knowing
- 30m means keeping it away from water
Longines Master Collection Stainless Steel alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | L27935727 | 180 | 35123TA12.BMT12 |
|---|---|---|---|
| Price | £3,800 | £3,820 | £3,490 |
| Case size | 40mm | 40.5mm | 40mm |
| Water resistance | 30m | 50m | 50m |
| Movement | Automatic | Automatic | Automatic |
| Strap | Stainless steel bracelet | Leather strap | Stainless steel bracelet |
| Power reserve | 72 hours | 42 hours | 56 hours |
| This watch |
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Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
No. At 30m it will survive rain and handwashing, but not submersion of any kind.
Water resistance explainedWill the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Sapphire, mineral and acrylic comparedDoes it need a battery?
No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.
Quartz, automatic and solar comparedHow long does it run for when it's not worn?
About 72 hours fully wound — enough to sit off the wrist over a weekend and still be running.
What size strap does it take?
21mm. 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.
Is it a men's or women's watch?
Listed as men's, though at 40mm it sits in the range that suits anyone.
Cheapest place to buy
Both Goldsmiths and Mappin & Webb list it at £3,800, so choose on delivery and warranty rather than price.
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