Longines - Master Collection - L2.755.4 - Men - 2010-2020

Longines Master Collection L2.755.4 – 38.5 mm – automatic – day & date – silver guilloché dial – caliber L636.5

Elegant Longines Master Collection model reference L2.755.4, housed in a polished stainless steel case of 38.5 mm. The watch combines the classic styling of the Master Collection with a silvery guilloché dial, blue-tinted feuille hands, and a practical day and date display at 3 o'clock.

Through the sapphire case back, the automatic Longines L636.5 movement is visible. The watch is fitted with a dark brown Longines alligator leather strap and a Longines-signed folding clasp.

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Basic information
Brand: Longines
Collection: The Longines Master Collection
Reference: L2.755.4
Diameter: 38.5 mm
Case material: stainless steel
Dial colour: silver/white
Dial: fine guilloché pattern
Movement: automatic mechanical
Caliber: Longines L636.5
Functions: hours, minutes, central seconds, day and date
Glass: sapphire crystal
Case back: transparent sapphire crystal case back
Strap: dark brown Longines alligator leather
Clasp: Longines-signed folding clasp
Water resistance according to model specifications: approx. 3 bar / 30 meters

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Important details
This execution stands out for the combined day and date display at 3 o'clock. The day is fully written out, with the date directly next to it.

The silver-colored dial features a fine, regular guilloché pattern. The large black Arabic numerals provide easy legibility and create a classic contrast with the blue-tinted feuille hands.

The case has the characteristic polished finish of the Master Collection and is paired with an elegant dark brown leather strap with white contrast stitching.

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Estimated year of manufacture
Estimated year: circa late 2000s to early 2010s.

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Case

The round case is made of stainless steel and is fully polished.

Diameter: 38.5 mm
Material: stainless steel
Finish: polished
Bezel: smooth and polished
Crystal: sapphire crystal
Back: transparent
Crown: Longines-signed

The slim bezel and curved lugs give the watch a classic dress-watch appearance.

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Dial

The silver/white dial features a fine guilloché pattern that comes forward clearly depending on the light.

The dial includes:
- Large black Arabic hour markers
- Blue-tinted feuille-shaped hour and minute hands
- Thin central seconds hand
- Day window at 3 o'clock
- Date window at 3 o'clock
- Longines logo with a winged hourglass below 12 o'clock
- “AUTOMATIC” above 6 o'clock
- Minute scale along the outer chapter ring
- “SWISS MADE” at 6 o'clock

The day and date display is shown in the position shown as “THU 27”.

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Movement

The watch is powered by the automatic Longines caliber L636.5.

Caliber: Longines L636.5
Type: automatic mechanical
Base: ETA 2836-2 family
Frequency: 28,800 vph
Functions: hours, minutes, central seconds, day and date
Power reserve: approx. 38–42 hours

The movement is visible through the transparent case back. The rotor bears the Longines signature and the designation L636.5.

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Day and date display

A key feature of this model is the double calendar display at 3 o'clock.

The fully written weekday appears on the left side of the window and the date on the right. This keeps the dial symmetrical and classic, while the watch offers more functionality than standard Master Collection models with only the date.

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Case back

The case back is transparent, allowing the automatic movement and rotor to be seen.
Around the back are the usual Master Collection engravings, including the collection designation and references to the stainless steel construction and Swiss manufacturing.

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Crown

The fluted crown bears the Longines signature. The crown’s polished finish harmonizes with the case.

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Condition

The watch is in a neat used condition.
Case: neat used condition with light hairlines and minor wear on the polished surfaces.
Bezel: light superficial wear, no notable heavy damage.
Dial: very neat and clear.
Crystal: clear with no notable heavy damage.
Case back: light hairlines and wear around the polished caseback.
Crown: neat used condition.
Clasp: light superficial wear.

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Bracelet

The watch comes with a dark brown Longines alligator leather strap with white contrast stitching.

The inside bears the Longines signature, size marking 20 and the designation “UPSIDE ALLIGATOR LEATHER.”

The strap shows normal signs of wear and slight shaping from wear but looks still presentable.

Clasp: Longines-signed folding clasp
Lug width: 20 mm
Suitable wrist circumference in the shown setting: approx. 19–20 cm

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Overall condition

A classically styled Longines Master Collection model featuring an attractive combination of a 38.5 mm polished case, silver guilloché dial, blue hands, and day/date function. The transparent case back reveals the automatic L636.5 movement, while the dark brown Longines alligator leather strap completes the traditional look.

The watch shows normal light signs of wear consistent with a worn piece, with the case and clasp displaying some minor hairlines. The dial and crystal remain very neat.