Manufacturer details checked
Longines
Longines L4.274.4.57.6
FLAGSHIP CLASSIC
- Case material
- Stainless steel
- Dial
- Black lacquered polished
- Diameter
- Ø 26.00 mm
- Manufacturer SKU
- L4.274.4.57.6
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Specifications checked against the linked manufacturer page. The image source and display method are identified with the illustration.
Manufacturer specifications checked for this reference
These specifications were checked against the manufacturer page for this exact reference.
- Case material
- Stainless steel
- Dial
- Black lacquered polished
- Diameter
- Ø 26.00 mm
- Manufacturer SKU
- L4.274.4.57.6
- Case shape
- Round
- Crystal
- Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on the underside
- Case back
- Transparent case back with sapphire crystal
- Lug width
- 12 mm
- Thickness
- 7.90 mm
- Water resistance
- Water-resistant to 3 bar
- Lug to lug
- 32.40 mm
- Weight
- 60.6 g
- Hour markers
- Diamond indexes
- Hands
- Silvered polished hands
- Dial diamonds
- Dial set with 12 Top Wesselton VS-SI diamonds, for a total of 0.034 carats
- Movement
- Automatic
- Caliber
- L592.5
- Movement specifications
- Self-winding mechanical movement beating at 28'800 vibrations per hour, with a monocrystalline silicon balance-spring power reserve up to 45 hours
- Functions
- Hours, minutes, seconds and date
- Bracelet material
- Stainless steel
- Buckle
- With triple safety folding clasp and push-piece opening mechanism
Checked 2026-10-02 · Regional scope: manufacturer Europe · Manufacturer specifications; individual watches may vary.
Original manufacturer wording is retained for source data without a reviewed translation.
Recorded discovery details.
- Brand
- Longines
- Reference token
- L4.274.4.57.6
- Collection candidate
- Not established
- Family candidate
- Not established
- Product type
- Watch candidate
Official discovery source
The exact token was retained from a stored official manufacturer URL or feed. The source supports discovery, but does not by itself verify every model detail.
Open official manufacturer page ↗Source record: longines-official-current-catalog-20260919 · Manufacturer details checked; editorial publication pending.