SEIKO 7548-7000 SCUBA 150M Vintage Quartz Diver 1981 New Battery From Japan For Sale

SEIKO 7548-7000 SCUBA 150M Vintage Quartz DiverSeptember 1981 • Cal. 7548 • New Battery • New StrapDescription

This is a SEIKO 7548-7000 SCUBA 150M Quartz Diver, manufactured in September 1981.

The 7548-7000 represents an early generation of SEIKO\'s full-size quartz diving watches and features the classic combination of a black dial, black rotating bezel, large luminous-style hour markers and a rugged stainless-steel case.

Powered by the SEIKO Caliber 7548 quartz movement, this example retains the highly recognizable vintage SEIKO diver design while offering quartz timekeeping and a practical day-date display.

Its combination of 1981 production, Cal. 7548 movement, SCUBA 150M dial and approximately 42 mm case makes it an appealing piece for collectors of vintage Japanese divers and classic SEIKO sports watches.

1981 Vintage SEIKO Diver

This watch dates to September 1981.

The 7548 series belongs to an important period in SEIKO\'s dive-watch history, combining the familiar functional styling of SEIKO mechanical divers with quartz technology.

The black dial, large hour markers, substantial stainless-steel case and rotating dive bezel create the unmistakable appearance associated with vintage SEIKO professional-style sports watches.

Item Details

Brand: SEIKO
Model: SCUBA 150M Diver
Reference / Case Number: 7548-7000
Caliber: SEIKO 7548
Movement: Quartz
Manufacture Date: September 1981
Dial Color: Black
Bezel Color: Black
Calendar: Day / Date
Case Material: Stainless Steel
Case Size: Approx. 42 mm
Lug / Strap Width: Approx. 20 mm
Current Wrist Size: Approx. 22 cm
Approx. Weight: 91 g
Strap: New Black Strap, replaced September 2026

New Battery & Operation

A new battery was installed in September 2026.

The watch is currently running.

The following operations have also been checked:

• Quick-change calendar
• Rotating bezel
• Crown operation

A new black strap was also installed in September 2026.

Please understand that this is a vintage quartz watch. Future accuracy, battery life and long-term operation cannot be guaranteed to the same standard as a new watch.

Condition

This is a pre-owned vintage SEIKO 7548-7000.

As expected for a watch manufactured in 1981, scratches, scuffs, marks and other age-related signs of previous use are present.

Please do not judge the condition solely from a general condition grade. For a vintage watch of this age, the detailed photographs are the best reference for cosmetic condition.

Please carefully review ALL photos before purchasing, especially the crystal, black dial, hands, hour markers, bezel and bezel insert, case, crown, case back and strap.

The photographs form an important part of the item description and are the primary reference for the exact cosmetic condition.

The watch shown in the photographs is the actual watch you will receive.

Additional minor scratches, scuffs, marks, discoloration, dust and other age-related signs may be present.

Colors and the appearance of scratches or wear may vary slightly depending on lighting, photography, viewing angle and display settings.

Important Vintage Diver Information

This watch was originally produced as a SCUBA 150M diver\'s watch.

However, this is a vintage watch manufactured in 1981, and no current pressure-resistance test is documented. The original 150 m specification must NOT be interpreted as a guarantee of present water resistance.

Current water resistance is NOT guaranteed. Please do not use the watch for swimming, diving or other water activities unless it has first been professionally inspected and pressure-tested.

For U.S. Buyers

Please refer to the shipping cost shown in this listing for shipping to your address.

U.S. shipments are sent DDP (Delivered Duty Paid). Import duties are paid by us, the seller, and no additional import duty payment is required upon delivery.

For Buyers Outside the U.S.

Please refer to the shipping cost shown in this listing for your country and delivery address.

Import duties, taxes, VAT, customs fees and other charges are the buyer\'s responsibility, unless otherwise stated or collected by at checkout.

Please check your local customs regulations if you are unsure about possible charges.

Handling Time

This item will be shipped within 10 business days after payment is confirmed.

Business days are Monday–Friday, excluding Japanese national holidays. The estimated delivery date shown by includes our handling time and the estimated transit time to your destination.

Shipping

All orders are shipped from Japan with tracking. Tracking information will be provided after shipment.

Shipping is available Monday–Friday, excluding Japanese national holidays. We do not ship on weekends or Japanese national holidays.

The watch will be carefully and securely packed for international transportation.

The actual transaction value will be declared for customs purposes.

We only ship to the delivery address registered with . If you need delivery to a different address, please update your address before purchasing.

We cannot declare a lower value or mark a commercial purchase as a gift.

Shipping Damage

If your item arrives damaged, please contact us promptly and keep the item and all original packaging.

Photos of the damaged item, exterior packaging and shipping label may be required for a carrier claim. Please do not discard the item or packaging until the claim or investigation has been completed.

Business Hours

Our business days are Monday–Friday, excluding Japanese national holidays. Messages and offers received on weekends or holidays may be answered on the next business day.

Your Satisfaction Is Our Priority

We want you to be happy and confident with your purchase from Japan. If you have any questions or concerns, please contact us before leaving negative or neutral response. We will do our best to communicate promptly and work with you toward a fair and positive solution.

Thank you for shopping with us from Japan!