[Serviced] 1965 Seiko Sportsmatic Calendar 820 Automatic Men's Wrist-Watch

Name: [Serviced] 1965 Seiko Sportsmatic Calendar 820 Automatic Men's Wrist-Watch
Brand: Mecalco & Co.
Price: 359.0 USD
Availability: OutOfStock

[Serviced] 1965 Seiko Sportsmatic Calendar 820 Automatic Men's Wrist-Watch

$359.00 USD

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Watches like this 1965 Seiko Sportsmatic are one of the reasons we love vintage watches so much.

This vintage Sportsmatic immediately captures the attention of the wearer with its stunning silver sunburst dial that is accompanied by aged mirror polished indices and dauphine hands.

Powering this watch is the Seiko 7625 17-jewel automatic movement which is a reliable workhorse with good accuracy and a date with semi quick-set

Note: To use the semi quick-set function simply advance the hands to midnight and once the date clicks over, reverse the hands to the 9 o’clock position and then back to the 12 o’clock position.

Note 1: Advance the time gently.

Housing this watch is an indisputably Seiko case with a chunky body and sharp lugs.

Condition: This watch has aged wonderfully and has acquired a fantastic aged feel that tells that this watch lived a full life.

Size: 36mm diameter, 12mm height, 18mm lug-to-lug width.

Movement condition: The movement was serviced in May of 2025 and is currently running at ± 8-12 seconds per day, amplitude of 240-260 and a beat error of 0.7 MS.

This watch comes with a 90 day limited mechanical warranty.

Warranty does not cover damage inflicted post delivery.

Have Questions?

Feel free to reach out to us at:

Email: mecalcoandco@gmail.com

Instagram: @Mecalcoandco

What Does 'Serviced' Mean?

All watches marked as ‘serviced’ have undergone full disassembly, inspection, repairs if needed, cleaning, reassembly, lubrication, and timing adjustments to ensure the watch is running to the best of its capability.

Shipping & Returns

Free shipping within the USA on all orders $149 and up. Your order will be shipped out within 1-2 business days after order confirmation.

Returns are allowed within 7 calendar days with the day of delivery counting as one.

International Orders: All shipping costs, duties, and other taxes associated with importing a timepiece are the buyer's responsibility.

Warranty

All of our watches are inspected and serviced if required to function to the best of its capabilities. However please do note that vintage watches are susceptible to slight accuracy deviations and will not be as precise as modern timing equipment.

Due to the nature of vintage watches there may be signs of wear and cosmetic imperfections not to be considered as defects.

We do not offer any guarantees in regards to water resistance unless stated. Do not submerge your watch in water or expose it to high humidity conditions.