Seiko Actus SS Automatic Silver Day-Date 1970s 37mm

Watch Summary

This Seiko Actus SS is a characterful Japanese-market day-date automatic with the clean silver-dial styling and sharp 1970s design language that make the line so appealing today. Its bilingual English/Kanji calendar and 23-jewel Seiko 6106 automatic movement give it the distinct period identity enthusiasts look for in vintage JDM Seiko models.

This collector-led example retains its original dial, hands, crystal, case, case back, movement and stainless-steel bracelet, giving it strong original-specification appeal as a wearable vintage Seiko. Light age-related details are present, and these are clearly set out below.

TickerWorks Assurance

Passed the TickerWorks 48-hour run test and time check, with the day-date and quickset functions operating correctly.

Condition & Originality

Originality: Original silver dial with English/Kanji day-date display, original hands, original mineral-glass crystal, original case, original case back, original Seiko 6106 23-jewel automatic movement and original stainless-steel bracelet. The clasp cap also appears original.

Condition: Slight surface marking to the crystal in line with age, along with patina to the dial edge. Overall presentation remains attractive and honest to the watch's vintage character.

Bracelet or Strap: Fitted to its original stainless-steel bracelet in good condition. Supplied with part links; approximately 19 cm as fitted.

Specifications

• Brand: Seiko
• Model: Seiko Actus SS JDM Day-Date
• Movement: Seiko calibre 6106 automatic, 23 jewels
• Case size: 37 mm
• Dial colour: Silver
• Period: 1970s
• Case back: Original case back
• Crown: Correct period-appropriate crown fitted with smooth operation
• Bracelet: Original stainless-steel bracelet in good condition; supplied with part links, approximately 19 cm as fitted
• Functions: Automatic, day-date display, quickset day-date
• Testing: TickerWorks 48-hour run test and time check passed

Historical Context

The Seiko Actus SS line was part of Seiko's Japanese domestic-market offering in the early 1970s, combining modern styling with practical everyday features such as automatic winding and bilingual day-date display. Models using the 23-jewel 6106 movement are well regarded for their distinctly period JDM character, and the 'SS' designation is widely associated among enthusiasts with the second-setting feature found in this family.

TickerWorks Strap & Bracelet Policy

TickerWorks may supply a replacement or period-correct bracelet or strap where the original is not available or no longer suitable for use. Any replacement is clearly stated in the description. All bracelets and straps are fitted for presentation and checked for secure attachment only.

TickerWorks does not offer bracelet adjustment services. Final sizing should be carried out by a qualified watchmaker.

Notes & Caveats

Photos form part of the description.

Water resistance is not guaranteed.

Timekeeping performance is in line with accepted vintage mechanical tolerance (approximately ±1 minute per day).

Service history is unknown unless stated.