Seiko 5 Actus 6106-7690 (1973)

Offered in this auction by Second Vintage This classic 1970s Japanese Domestic Market Seiko features a highly attractive, vibrant green gradient dial housed within a distinctive angular case, retaining its original matching bracelet. Brand: Seiko Model: 5 Actus Reference Number: 6106-7690 Serial Number: 3N6489 Movement: Automatic, Caliber 6106C, 25 jewels Dial: Green gradient with vertical brushed texture and faceted applied indices Case Size: 37 mm (excluding the crown) Case Material: Stainless Steel Production Year: 1973 Condition: Good vintage condition. Timegrapher: +6+10s/day, performing remarkably well. Dial and Hands The striking green gradient dial is vibrant and exceptionally well-preserved, featuring a beautiful vertical brushed texture that interacts dynamically with the light. It is fitted with applied faceted indices and applied Seiko and 5Actus logos, all remaining in clean condition with no significant flaws or moisture damage. The baton hands feature central lume strips and maintain a clean finish with minimal oxidation or wear. A day-date aperture with an English day wheel is positioned at three o'clock. Case and Crystal The angular stainless steel case exemplifies classic 1970s Seiko geometry, topped with a polished smooth bezel. It displays honest vintage wear, with moderate scratches and scuffs throughout that are consistent with its age, yet the case edges remain reasonably defined. The recessed, fluted crown is positioned at four o'clock and is unsigned. The flat crystal remains clear, showing only minor surface scratches and scattered dust. Movement Inside beats the automatic Seiko caliber 6106C, a 25-jewel movement with a visible rotor. The plates and rotor bear clear engravings reading SEIKO, 25 JEWELS, 6106C, and JAPAN. Visually, there is some spotting and oxidation visible on the rotor and plates. Mechanically, the watch records +6+10s/day on the timegrapher. Exhibiting remarkable accuracy and consistency, performing brilliantly for a vintage timepiece. Strap The watch is fitted with its original matching stainless steel folded link bracelet. The endlinks are stamped XJA260, and the clasp is signed SEIKO 5ACTUS. The bracelet exhibits moderate scratches and wear throughout, consistent with the rest of the watch, and accommodates a maximum wrist size of up to 18 cm. Condition Good vintage condition. The watch presents an honest, well-preserved appearance overall, anchored by an excellent dial and handset. The case, bezel, and original bracelet show moderate scratches and scuffs expected from regular wear, while the crystal has minor surface marks. The movement displays visible spotting and oxidation, but supported by the recorded timegrapher result, it is performing very strongly. Dimensions The case measures 37 mm (excluding the crown). Remarks This Seiko 5 Actus is a compelling example of 1970s design, defined by its striking green gradient dial and faceted applied indices. Retaining its original signed bracelet and distinctive angular case, it offers a highly cohesive and visually rewarding wearing experience. History The Seiko 5 Actus line was introduced in the late 1960s and flourished throughout the 1970s, specifically targeting the Japanese Domestic Market. Designed to appeal to a younger, style-conscious demographic, the Actus range frequently utilized bold dial colors, faceted crystals, and unconventional case geometries. Powered by robust automatic calibers like the 6106, these watches delivered Seiko’s renowned reliability alongside adventurous aesthetics, making them a fascinating category for modern collectors focused on the era of vibrant Japanese watchmaking. / Second Vintage SKU: SEI-SJN-0002