Citizen Crystal Seven 光精 ACSS_2807-Y (1970)

Now available at auction from Second Vintage A standout of 1970s Japanese watchmaking, the Citizen Crystal Seven brings together style, reliability, and everyday appeal. This beautifully preserved example features a sunburst silver dial with applied indices and the original framed day-date display at 3 o’clock. The 35mm stainless steel case offers timeless proportions, highlighted by crisp lugs and gracefully curved lines. Paired with a sleek black leather strap, this Crystal Seven is both a versatile daily wearer and a compelling addition to any vintage collection. Confirmed by timegrapher assessment to be running healthily, it demonstrates the enduring quality that made Citizen a household name. Brand: Citizen Model: Crystal Seven Reference Number: ACSS 2807-Y Serial Number: 70204147 Movement: Automatic Dial: Silver sunburst with applied indices, day-date display at 3 o’clock Case Size: 35mm (excluding the crown) Case Material: Stainless steel Production Year: 1970 Condition: Excellent vintage condition; running at +29 to +36 seconds per day on timegrapher, which indicates a healthy movement for a piece of this era. Dial and Hands The dial presents sharply with a striking sunburst silver finish, accented by polished baton indices. The original hands are intact and display only subtle aging. Lume elements on the hands and hour markers have developed a pleasing, uniform patina consistent with careful long-term ownership. Case and Crystal The stainless steel case retains well-defined edges, showing minimal surface wear and preserving its classic lines. The lugs remain crisp and the overall case structure is strong, attesting to gentle use and careful preservation. The domed acrylic crystal is clear, offering an unobstructed view of the dial with no major flaws. Movement Powered by Citizen’s trusted automatic movement, this watch has been assessed on a timegrapher with results between +29 and +36 seconds per day—demonstrating robust and reliable performance for a vintage model. Strap The watch is fitted with a black leather strap in excellent condition, complementing the refined architecture of the case and ready for immediate wear. Condition This Citizen Crystal Seven is offered in excellent vintage condition with gentle, honest signs of age. The dial and hands remain original and attractive, the case is strong with crisp geometry, and the movement is performing well within vintage tolerances as verified by timegrapher results. Dimensions Case diameter: 35mm (excluding the crown) Remarks The Citizen Crystal Seven is an enduring icon of 1970s design, featuring a distinctive day-date display, refined dial layout, and robust case. Its authenticity and preservation make it not only a practical choice but a collectible one for enthusiasts seeking genuine vintage character. History Introduced in an era defined by innovation and precision, the Citizen Crystal Seven reflects the brand’s dedication to quality and forward-thinking design. Renowned for its durability and reliable automatic movement, it remains a favorite among collectors seeking true vintage appeal and everyday usability. / Second Vintage SKU: CIT-CCS-0002