Birthday Watch September 1970! Seiko 5 Actus 6106-7460 SUWA 25J Automatic Watch (OH)

A BIRTHDAY WATCH IS A WATCH THAT WAS PRODUCED THE SAME MONTH AND YEAR AS YOUR BIRTHDAY.

Make: Seiko
Type: Automatic
Model: Seiko 5 Actus
Year of Production: September 1970
Movement: 6106
BPH: 21,600
Number of Jewels: 25
Hand and Dial: 3D Silver Baton Indices and Hands
Width: 37mm
Lug to Lug Height: 40mm
Thickness: 11mm
Lug Width: 19mm
Strap: Hi-Quality Vintage SS Bracelet
Pouch / Box: Brand-New EVA Type Zipper Pouch


According to the most legitimate information found online, Seiko introduced the 6106 movement in 1967.

As most Seiko die-hard fans know, the Seiko Actus was manufactured and assembled in Japan and solely meant for the Japanese Domestic Market (JDM).

The Seiko 5 Actus was manufactured in both SUWA and DAINI factories because both factories competed against one another (think Apple and Macintosh) that brought out the best designs and movements during that era.

For Seiko Collectors and Vintage fans, this is a highly sort after September 1970 Seiko 5 Actus SUWA 6106-7460 25 Jewels Automatic Dress Watch in pristine condition with extremely rare Gunmetal Dial.

The gunmetal-grey sunburst dial, 3D silver baton indices, baton hands, day/date window and case are in immaculate condition after a good clean-up. The glass was replaced and is now spotless.

The crown is located at its traditional 4H position and is nicely tucked away to prevent damage or snags yet easily accessible. The date quickset works as it should by pushing the crown in for adjustment.

Because it is a JDM, the Day is in Kanji and English, cool!

The movement was carefully stripped and meticulously cleaned via ultrasonic immersion, oiled, re-assembled and calibrated on 4 March 2024; hence it underwent an overhaul and not a general servicing. It should be able to operate unhindered until the next servicing thereby providing the owner a peace of mind.

Equipped with the famous 6106 movement, it has a higher 25 jewels and operates at 21,600 beats an hour giving it an extremely high level of accuracy. The time-grapher, after 60 hours of calibration shows excellent readings i.e. rate of -1 seconds every 24 hours and amplitude of 146 with straight centered lines! Such readings are truly exceptional even by brand new modern automatic watch standards whereby the accepted tolerance is -20 to +40 seconds a day! This is a testament to the quality, excellent power reserve and longevity for such a vintage timepiece, the meticulous care provided over the years, and of course the painstaking expert calibration.

The case width and height are approximately 37mm (without crown), and 40mm respectively. The lug width is 19mm and the bracelet can accommodate wrists up to 20cm; thus, suitable for men and the modern women.

The bracelet is a hi-quality vintage Jubilee designed SS bracelet that too had undergone a thorough cleaning via ultrasonic immersion, tightening of links and a buff. It is now in stunning condition.

Due to its age, this timepiece has not been water-resistant tested.

To the best of our knowledge while overhauling this timepiece, the watch is 100% original Seiko components from this particular watch. No parts were replaced with aftermarket parts or modified.

The pictures provided shows the watch case in superb condition (no dents and major scratches), and the movement within squeaky clean and well maintained. It has also been demagnetised to improve parts reliability, minimise wear & tear, and improve accuracy. The only drawback is the lack of documentation and original box, so a simple aftermarket box / pouch will be provided instead.

Seldom can one find a vintage watch that offers this and more. Yes, there are many other same / similar models in the market, BUT none are as well-kept and maintained as what you see here, and with an attractive price to boot. So, it is a no-brainer that this one-of-a-kind watch will make an extremely beautiful birthday present for that special someone born in September 1970! Another no-brainer is the fact that the value of this watch will appreciate over time.

Bear in mind that this watch has seen many of the previous owners’ ups and downs in life, and should be cherished and well taken care of for the next generation to savour such engineering beauty.

Do also bear in mind that it will cost between S$ 180.00 to S$ 200.00 for a full overhaul, an estimated S$ 80.00 to calibrate (depending on the condition of the watch), and S$ 100.00 to clean and polish including tightening of bracelet links - these costs do not apply when purchasing this timepiece. So, if anyone was to sell such a timepiece at a low price yet claim that it has been serviced, one has to ask what kind of servicing was conducted, if any.

This is a truly magnificent September 1970 Seiko 5 Actus 6106-7460 SUWA in stunning condition with a beautifully preserved and rare dial, immaculate indices, case and movement; so, be unique and use something that is almost impossible to source.

This is a must-have for the Seiko die-hard fan, or any vintage watch fan for that matter!