Citizen Crystal Seven 遺雅 (Iga) 4-520092-Y (1979)

Presented for auction by Second Vintage The Citizen Crystal Seven stands as a testament to the innovation and refined style of late 1970s Japanese watchmaking. This example, with its attractive black dial and robust cushion-shaped case, offers authentic vintage appeal and reliable performance—an excellent addition for collectors and everyday enthusiasts alike. Brand: Citizen Model: Crystal Seven Reference Number: 4-520092-Y Serial Number: 90817403 Movement: Automatic, running +3s to +9s/day on timegrapher—indicating a healthy movement Dial: Black sunburst with applied silver indices and luminous accents Case Size: 37 mm (excluding the crown) Case Material: Stainless steel Production Year: 1979 Condition: Good vintage condition with noticeable but light signs of wear and strong movement performance Dial and Hands The black sunburst dial remains clear and well-presented, with silver hour markers and hands that are both sharp and intact. Luminous elements show natural aging, enhancing the watch’s vintage character. The day and date windows are crisp, and the “Crystal Seven” signature sits prominently above 6 o’clock. Case and Crystal The stainless steel cushion case is in good condition, with visible but minor surface marks reflecting careful use over time. The polished bezel and case retain well-defined lines, and the crystal is free of major scratches, offering an unobstructed view of the dial. Movement Powered by Citizen’s automatic movement, the watch is running at +3s to +9s per day, based on timegrapher results, reflecting reliable and healthy operation. Strap The watch is paired with a quality black leather strap, showing minimal wear and ready to complement daily use. Condition This Citizen Crystal Seven is in good vintage condition. The dial and hands retain their original appeal, and the case presents light but honest wear for its age. The strong timegrapher performance highlights the watch's mechanical integrity. Dimensions Case diameter: 37 mm (excluding the crown) Remarks A classic example of Citizen's trusted engineering and stylish 1970s design, this Crystal Seven offers authentic charm and practical reliability for collectors or daily wearers seeking a genuine vintage model. History The Citizen Crystal Seven series marked a notable period in the brand's heritage, known for its sturdy construction and user-friendly features like the full day-date display. Its enduring design and reputation keep this iconic model highly regarded among vintage watch enthusiasts. / Second Vintage SKU: CIT-CCS-0003