Longines

Flagship 26 Automatic Stainless Steel Black Diamond

Ref. L4.274.4.57.6

$1,457

Average market price ·

Price Range

$450 – $2,232

Listings Analysed

11

Data last updated May 17, 2026 · Sources: Chrono24, eBay, WatchFinder & more

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Other Longines Watches

HydroConquest 41mm Black Ceramic Ref. L3.781.4.56.6 HydroConquest 41mm Blue Ceramic Ref. L3.781.4.96.6 HydroConquest 41mm Green Ceramic Ref. L3.781.4.06.6 HydroConquest 41mm Grey Ceramic Ref. L3.781.4.76.6 HydroConquest 41mm Black Aluminum Ref. L3.742.4.56.6 HydroConquest 41mm Blue Aluminum Ref. L3.742.4.96.6 HydroConquest 43mm Black Ceramic Ref. L3.782.4.56.6 HydroConquest 44mm Black Ceramic Ref. L3.841.4.56.6