Vintage Seiko Tonneau Watch — 5931-5330 Silver Sunburst Dial (1981)
Only 1 available
Shipping from Europe — taxes and customs duties are the buyer's responsibility outside the EU
Lifetime authenticity guarantee
Serviced movement & 1 year warranty
International shipping
Photo taken on a 17.5 cm wrist
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Seiko Tonneau — A Japanese dress watch with 1980s design
This vintage Seiko watch, produced around 1981, illustrates a silhouette that is rare today: the tonneau shape (or cushion case in English), a square case with very rounded edges that characterized Japanese watchmaking aesthetics in the early 1980s. Halfway between the roundness of a classic case and the modernity of a carrée watch, the tonneau gives a singular presence on the wrist, standing apart from the usual dress watches.
The sunburst silver dial plays with the light thanks to its brushed finish radiating from the center. This texture, prized by dress watch enthusiasts, gives the watch an elegant visual depth that changes with the angle. The applied black baton indexes in relief and the SEIKO QUARTZ signature at 12 o'clock create a refined, dressy reading. The small "lightning bolt" logo of Seiko Quartz at 6 o'clock, a marker of the brand's quartz models from that period, confirms the authenticity of the piece.
Powered by the Seiko 5931 caliber, a reliable and precise Japanese quartz movement from the early 1980s, this piece offers the practicality of quartz without sacrificing the charm of a true vintage watch. Its 6.5 mm profile remains restrained for ideal wearing comfort, and its 33 mm format makes it a perfectly Unisex piece — feminine on a slender wrist, masculine on a modern wrist that appreciates compact proportions.
Mounted on a navy blue leather strap with contrasting stitching, this Seiko Tonneau clearly departs from classic dressy black: the petrol blue brings a relaxed masculine touch that contrasts beautifully with the brushed steel case. Selected, authenticated and serviced by Atelier Victor. Fast and secure international shipping.
Three points to note about this piece
- Case steel with a tonneau shape (cushion case): a rare and recognizable Japanese 1980s silhouette.
- Sunburst silver dial with applied baton indexes and Seiko Quartz "lightning bolt" logo: the authentic signature of Japanese quartz models of the era.
- Navy blue leather strap with contrasting beige stitching: a color choice that departs from classic dress codes and adds character.
See our other vintage Seiko watches → | See our vintage watches under €500 →
Technical specifications
- Brand: Seiko
- Model: Dress watch with a tonneau shape
- Reference: 5931-5330
- Estimated year: 1981
- Origin: Japan
- Gender: Men's and women's watch (Unisex)
- Movement: Japanese quartz, caliber Seiko 5931
- Functions: Hours, minutes, seconds
- Case: Steel (case back steel), shape tonneau (cushion case)
- Dimensions: 33mm (35mm with crown)
- Lug to lug: 39mm
- Thickness: 6.5mm (Crystal included)
- Lug width: 18mm
- Crown : Steel, original
- Dial : Sunburst silver, applied black baton indexes, signature Seiko Quartz and lightning logo at 6 o'clock, original
- Hands : Black baton, original
- Crystal : Mineral, good condition (7/10)
- Strap : Navy blue leather with contrasting beige stitching, non-original
- Buckle : Steel buckle, non-original
Condition and warranty
- Overall condition : Very fine state of preservation. Original flawless sunburst silver dial, brushed steel case in good condition, Crystal mineral showing some light wear scratches consistent with its age (7/10).
- Water resistance : Not guaranteed (vintage watch)
- Authenticity : Lifetime guarantee
- Movement : Checked quartz movement, 1-year warranty
- Included : Atelier Victor invoice, protective case
- Not included : Original box and papers
Frequently asked questions
-
What is a tonneau watch ?
A tonneau watch ("cushion case" in English) refers to a square case with very rounded corners, midway between a carrée watch and a round watch. Very popular in the 70s and early 80s, this distinctive silhouette offers a unique presence on the wrist, different from the classic round form. It is now rare on the new market, making it an increasingly sought-after aesthetic choice in vintage circles. -
What is the Seiko caliber 5931 ?
The 5931 caliber is a Japanese quartz Seiko movement from the early 80s, powering the brand's dress watches. It is a reliable and precise caliber, easy to maintain, requiring only a battery replacement every 2 to 3 years. -
What does the lightning logo on the dial mean ?
The small stylized lightning-shaped logo present at 6 o'clock on the dial is the official marker of Seiko quartz models from the 70s-80s. It is the equivalent of the "SQ" logo found on other Seiko Quartz series of the era — a guarantee of authenticity and a detail appreciated by collectors. -
Is this watch suitable for a man or a woman ?
With its tonneau case of 33mm and its 6.5mm profile, it is a perfectly Unisex piece — feminine on a slender wrist, masculine for those who appreciate compact formats in the tradition of vintage watches from the 80s, when diameters were naturally more modest than today. -
Is the Crystal mineral repairable ?
Yes. The Crystal mineral can be polished to erase superficial scratches, or replaced with a new identical Crystal by our watchmakers for a modest cost. Please do not hesitate to contact us to discuss a possible intervention. -
What is the international delivery time ?
Dispatch within 48 hours, worldwide delivery in 3 to 5 days via DHL Express, insurance included.
Mechanical warranty — 1 year
Each watch is inspected by our watchmakers before shipping. In case of a mechanism malfunction during the first year, we cover the repair.
Authenticity warranty — lifetime
If a watch turns out to be non-authentic, we will take it back and refund you in full. Without time limit.
What is not covered
- Exposure to water or humidity
- Shocks, impacts, or vibrations
- Consumable parts (strap, Crystal, crown, pushers)
- Battery replacement (quartz movements)
- Opening or disassembly of the watch by a third party
- Improper use
The accuracy of vintage watches varies according to the model, movement, and year of production. A request for accuracy improvement deemed within acceptable tolerances cannot be covered by the warranty.
Shipping fees
After-sales service is free. Shipping fees outside the United Arab Emirates remain the responsibility of the customer.
Authentication Process
Each watch is examined by our partner watchmakers before being offered for sale: verification of authenticity, checking the conformity of the components, identification of any modification or replacement of original parts.
If any element has been replaced during the life of the watch (dial, hands, crown, Crystal, strap), we systematically indicate it in the product sheet. You buy knowing the exact history of your piece.
Certificate of Authenticity
Your Atelier Victor invoice serves as a certificate of authenticity: it attests to the origin and conformity of the piece, and is covered by our lifetime authenticity guarantee — if a piece sold by Atelier Victor were found to be non-authentic, it would be fully refunded, with no time limit.
We accept several payment methods:
- Bank card (Visa, Mastercard — American Express not accepted)
- Bank transfer (AED, EUR, USD)
- Cryptocurrency (USDT, USDC)
- PayPal
Other currencies accepted upon request. Exchange fees of approximately 3% may apply.
A 3% discount is granted for any payment by bank transfer starting from €1,000.
Does the strap not suit you? Add the strap of your choice to your order: we will fit it to your watch before shipment, at no fitting charge.
International Shipping
Shipped within 48 to 72 business hours by DHL Express or an equivalent carrier depending on the destination. Delivery in 2 to 6 business days. Each shipment is insured and delivered against signature.
- Free delivery from €1,000 of purchase, as well as on the Jewelry Atelier Victor
- Tracking number sent as soon as the shipment is dispatched
- For certain destinations, delivery may be made to a secure collection point in order to guarantee the integrity of the shipment
Pickup in Dubai
Hand delivery by appointment in Downtown, Dubai. Make an appointment.
Taxes and Customs
The shipping origin is indicated on each product sheet. If the delivery country differs from the shipping country, customs duties and taxes may apply upon receipt, at the buyer's expense. In exceptional situations, customs checks may extend the delivery time, regardless of our wishes and those of the carrier.
For full details, please consult our shipping policy.
FINAL SALES
All sales are final: no return, exchange, or cancellation is accepted after order confirmation. Each piece is authenticated, inspected, and described in detail before being offered for sale.
BEFORE PURCHASE
Our advisors remain at your disposal for any questions and can send you additional photographs or videos upon simple request, by email or on WhatsApp.
NON-CONFORMING ITEM
In the exceptional case of an item that does not match its listing, please notify us within 72 hours: it will be eligible for a refund or an exchange. If the parcel shows damage upon delivery, it should be refused or its opening filmed continuously.
For full details, please consult our return policy.
A piece selected by Atelier Victor
Authenticated, checked, and photographed by us. As all sales are final, our team remains available 7 days a week on WhatsApp to answer your questions, share additional photos or a video of the piece in hand — so that your choice can be made with complete peace of mind.
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