The Longines HydroConquest series combines professional diving performance with a modern sporty design, showcasing the brand's profound heritage in Swiss watchmaking and aquatic timepieces. This model features a 41mm stainless steel case paired with a black sunray dial and a unidirectional rotating ceramic bezel. The striking Arabic numerals, raised indices, and Super-LumiNova coating ensure excellent legibility and a sporty aesthetic, while the stainless steel and yellow PVD-coated bracelet adds a distinct two-tone texture.

The watch is powered by an automatic mechanical movement that oscillates at 25,200 vibrations per hour, offering approximately 72 hours of power reserve. The screw-in crown, screw-down case back, and 300-meter water resistance maintain its status as a professional diving watch. The scratch-resistant sapphire crystal features multi-layered anti-reflective coating on both sides, and the double-security folding clasp provides both daily convenience and reliable durability.

⚫️ Basic Information
▪ Brand | Longines
▪ Model | L3.781.3.56.7
▪ Year | 2021 Taiwan AD piece
▪ Accessories | Full set (box and papers)
▪ Condition | 95% new

⚫️ Specifications
▪ Case Diameter | 41mm
▪ Dial | Black sunray dial / Super-LumiNova luminescence
▪ Movement | Longines automatic mechanical movement / 25,200 vibrations per hour
▪ Crystal | Scratch-resistant sapphire crystal / Multi-layered anti-reflective coating on both sides
▪ Material | Stainless steel case / Black ceramic bezel / Stainless steel and yellow PVD-coated bracelet
▪ Functions | Hours, minutes, seconds / Date display / Unidirectional rotating bezel
▪ Water Resistance | 300 meters (factory standard)
▪ Power Reserve | Approx. 72 hours
▪ Retail Price | Longines official retail price NT$ 70,700