Longines Caliber L645.1 4120 5 (1970-1979)

Now available at auction from Second Vintage A classic and elegant Longines dress watch, this 1970s timepiece is defined by its beautifully preserved vertically brushed champagne dial and distinctive blue cabochon crown. Powered by the Longines caliber L645.1 automatic movement, it offers a clean, minimalist no-date design with striking black accents. Brand: Longines Reference Number: 4120 5 Serial Number: 18 135707 Movement: Automatic, caliber L645.1, 21 jewels Dial: Champagne with vertical brushed finish and applied black stick indices Case Size: 34mm (excluding the crown) Case Material: Gold-tone Production Year: 1970s Condition: Excellent vintage condition. Timegrapher: -2-4s/day, performing remarkably well. Dial and Hands The exceptionally clean and well-preserved champagne dial features a refined vertical brushed finish. It presents a minimalist no-date design anchored by applied black stick indices. The surface is impressively clean, showing no visible spotting, staining, or damage. Matching black stick hands complete the striking aesthetic, presenting in excellent condition with a clean finish and no visible oxidation. Case and Crystal The 34mm gold-tone case features an elegant slim profile, paired with a stainless steel caseback. It displays honest wear consistent with age, retaining a good overall shape with light surface scratches and handling marks throughout. Some oxidation and plating wear are visible on the inner edges of the lugs. The watch is fitted with an unsigned gold-tone crown featuring a distinctive blue cabochon insert, which shows light wear. A domed acrylic crystal protects the dial, remaining clear with no significant scratches, crazing, or chips visible. Movement Inside the case beats the Longines caliber L645.1 automatic movement, engraved with 21 jewels. The rotor and bridges show a bright finish, presenting cleanly with no visible corrosion or significant scratches. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. The timegrapher records a strong rate of -2-4s/day. Strap The watch is fitted with a black leather strap featuring white contrast stitching. It shows light signs of use, presenting as an attractive strap in good wearable condition. Condition Excellent vintage condition. The watch presents beautifully on the wrist, highlighted by an exceptionally preserved dial and hands. The gold-tone case exhibits honest age-related wear, including light scratches and localized plating wear on the inner lugs, but retains its elegant geometry. The crystal is clear and well-preserved. Supported by the recorded timegrapher result, the movement is performing very strongly. Dimensions The case measures 34mm in diameter, excluding the crown. Remarks This 1970s Longines stands out for its pristine vertically brushed champagne dial and striking black accents. The elegant slim case profile and blue cabochon crown add a touch of refined character, making it a compelling choice for collectors seeking a sophisticated vintage dress watch. History During the 1970s, Longines continued its tradition of producing elegant, well-proportioned dress watches that prioritized clean design and reliable mechanical performance. Timepieces from this era often featured refined dial textures and distinctive crown details, reflecting a period of transition in watchmaking aesthetics. The caliber L645.1 represents the brand's commitment to quality automatic movements, offering a dependable and slim profile suitable for classic dress watch configurations. / Second Vintage SKU: LON-AXX-0012