Seiko Actus 清光 (Seikō) – Clean 253028 (1970-1979)

Presented for auction by Second Vintage This Seiko Actus 21 Jewels is an excellent example of 1970s Japanese watchmaking, featuring a sleek 36mm stainless steel case and a clean silver sunburst dial. With its understated design and sharp faceted case lines, this model captures the essence of Seiko's reliable and stylish automatic era. A well-preserved, original piece, it remains a favorite among collectors seeking enduring value and vintage authenticity. Brand: Seiko Model: Actus Reference Number: 253028 Serial Number: 253028 Movement: Seiko automatic, 21 jewels Dial: Silver sunburst with applied baton markers, day-date at 3 o’clock Case Size: 36mm (excluding the crown) Case Material: Stainless steel Production Year: c. 1970s Condition: Very good vintage condition. Case shows sharp lines and original brushing, dial is clean with slight, attractive patina, crystal is clear. Running at +31s/+39s per day, as indicated by timegrapher, reflecting healthy performance for its age. Dial and Hands The dial displays a beautiful silver sunburst finish, accented by applied hour markers and original baton hands. The day-date complication is crisp and fully functional. Lume plots and hands display natural aging, consistent with the era, adding to its authentic vintage character. Case and Crystal The 36mm stainless steel case maintains its sharp, geometric lugs and well-defined original brushing. The crystal is clean, free from major marks, providing excellent legibility and allowing the dial’s details to stand out. Movement Powered by Seiko’s in-house automatic 21-jewel movement. Timegrapher readings show a daily rate of +31s/+39s, demonstrating healthy performance and reliable operation, offering strong vintage reliability. Strap Fitted with a high-quality blue leather strap that pairs stylishly with the watch, ensuring comfort and a refined presentation. Condition This watch is in very good vintage condition, with crisp case definitions, a clean dial featuring subtle patina, and strong running performance verified by timegrapher data. All functions are working as intended. Dimensions Case diameter: 36mm (excluding the crown) Remarks This well-preserved Seiko Actus is an attractive opportunity for collectors and enthusiasts alike, blending mechanical dependability with a timeless vintage look. Its originality and honest aging enhance its collectible appeal. History Launched in the 1970s, the Seiko Actus line was designed to offer dependable automatics with fresh, modern styling. Today, these models are prized for their sturdy build, understated elegance, and the enduring value they represent within Seiko’s distinguished heritage. / Second Vintage SKU: SEI-SAJ-0004