Seiko 5 Actus SS Silver Dial – 1972
Historical Background
Introduced by Seiko in the late 1960s and early 1970s, the "Actus" line was designed specifically for the Japanese Domestic Market (JDM) to target a younger, modern audience seeking stylistic refinement paired with reliable mechanical engineering. The "SS" designation stands for "Second Stop," highlighting the integrated hacking function—a feature reserved for higher-tier movements that allows precise time setting to the second. Powered by the robust 23-jewel Caliber 6106, this timepiece exemplifies Seiko's innovative push-system calendar adjustment and classic Japanese industrial design from the golden era of mechanical watchmaking.
Specifications
- Brand: Seiko
- Model: 5 Actus SS (Second Stop / Hacking)
- Reference: 6106-7520
- Movement: Automatic Seiko Caliber 6106C (23 Jewels, 21,600 bph)
- Year of Manufacture: November 1972 (JDM - Japan Domestic Market)
- Functions: Hours, Minutes, Central Seconds (with Hacking function), Day/Date display
- Case Material: Stainless Steel
- Case Diameter: Approx. 37 mm (excluding crown)
- Dial: Original Sunburst Silver Dial
- Crystal: Acrylic
- Crown: Recessed crown at 4 o'clock with quickset push-system for day and date
- Strap: Brand new black leather strap with alligator pattern
- Condition: Excellent vintage condition, fully serviced (serviced)
- Warranty: 1-year mechanism warranty included