Vintage Seiko 1F21-5B70 Watch — Baignoire Gold-Plated (1995)
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A golden Baignoire in a jewelry-sized format
This Seiko watch, reference 1F21-5B70, is a feminine piece in a jewelry-sized format, with a 21mm gold-plated case in a baignoire shape — an elongated oval on the vertical axis, whose sides curve gently toward the lugs. The 7mm thickness remains restrained, and the very short, curved lugs position the bracelet as close to the wrist as possible.
The white dial features twelve black Arabic numerals in a fine, slightly slanted design that follows the curve of the oval. No hour markers, no minute track, no ornament: the numerals alone occupy the entire perimeter. The blued baton hands stand out clearly against it, accompanied by a very slender central seconds hand. A discreet golden emblem appears below the center, the dial’s only touch of color.
Contrast is the subject of this watch. A crisp white dial, black numerals, blued hands, all set within an entirely golden case: only three values, with no gradient and no intermediate material. It is a design that owes more to jewelry than to watchmaking, where the watch is first read as an object worn before being read as an instrument.
The 1F21 caliber powering it is a ladies’ three-hand quartz movement, whose compact dimensions — a little over ten millimeters by twelve — make it possible to house the full mechanism in a case of this size. It runs on a 337 battery, one of the most common formats, making maintenance simple anywhere in the world.
Three points to note
- 21mm jewelry-sized format — a scale that few brands still offer today, carried by the renewed popularity of small women’s watches.
- Baignoire shape — an elongated oval with curved sides, a classic ladies’ watch silhouette that Seiko developed across its dress lines.
- Three-value dial — white, black, blue: no gradient, no intermediate material, immediate legibility.
Why choose a vintage Seiko watch?
Buying a vintage women’s watch signed Seiko rather than a new model means gaining access to a leading Japanese manufacture at a contained budget, through pieces whose construction has proven its durability. The vintage quartz watches of this period are also the easiest to maintain on the pre-owned market: a battery change is enough to set them running again.
This model holds a precise place among vintage women’s watches: its 21mm format and oval shape place it in the realm of jewelry rather than instrumentation, a segment that brands largely abandoned before returning to it in recent years. It can be worn on its own or stacked with bracelets, without ever crowding the wrist.
Like all our pre-owned Seiko watches, this one has been opened and checked by our watchmakers: verification of the caliber and its consistency with the reference, examination of the dial, hands, and case. Every vintage Japanese watch we offer comes with an invoice Atelier Victor serving as a certificate, a one-year warranty, and guaranteed lifetime authenticity.
→ Discover our vintage Seiko watches
→ View our selection of vintage women’s watches
Technical specifications
- Brand: Seiko
- Model: Dress baignoire-shaped
- Reference: 1F21-5B70
- Estimated year: 1995
- Origin: Japan
- Gender: Women's watch
- Movement: Japanese quartz, calibre Seiko 1F21 (2 jewels, 337 battery)
- Functions: Hours, minutes, seconds
- Case: Gold-plated, oval baignoire shape (steel caseback)
- Dimensions: 21mm (22.5mm including the crown)
- Lug to lug: 33.5mm
- Thickness: 7mm
- Lug width: 12mm
- Crown: Golden, fluted, original
- Dial: White, black Arabic numerals, original
- Hands: Blued, baton-shaped, original
- Crystal: Sapphire (condition 9/10)
- Strap: Black crocodile-style leather, not original
- Buckle: Steel pin buckle, not original
Condition and warranty
- General condition: Good overall condition. The white dial is immaculate, the numerals and blued hands are perfectly crisp, and the Crystal is in very fine condition (9/10). The gold plating on the case shows a network of fine surface scratches from use, visible on the bezel, consistent with the age of the piece.
- Water resistance: Not guaranteed (vintage watch)
- Authenticity: Lifetime guarantee
- Mechanical: Quartz movement checked, new battery, guaranteed for 1 year
- Included: Atelier Victor invoice
- Not included: Original box and papers
Frequently asked questions
What is meant by a baignoire shape?
The term refers to an elongated oval case, whose sides curve gently toward the lugs, by analogy with the silhouette of a bathtub seen from above. It is shape-related terminology commonly used in watchmaking française, independently of any brand: it describes the geometry of the case and nothing else. This silhouette was long associated with ladies' watches, before returning to favor in recent years.
What wrist size is this watch suited to?
With a case 21mm wide, 33.5mm Lug-to-lug and 7mm thick, this is a strictly feminine format, suited to slim to medium wrists. The Lug width measures 12mm, which makes it easy to change the strap in a very common size. It can be worn on its own or paired with fine bracelets.
How should a gold-plated case be cared for?
The plating is a layer of gold applied over a base metal, which thins over time in the areas most exposed to friction. A soft, dry cloth is sufficient for routine care. Avoid abrasive products and household cleaners, which accelerate wear. Replating is possible with a specialist but erases the case's original traces.
Is a vintage Seiko watch a safe purchase?
It is, provided that authenticity has been established and the condition is described without reservation. Our watchmakers systematically open the case to verify the caliber and its consistency with the reference, and inspect the dial, hands, and all components. Every pre-owned Seiko watch sold by Atelier Victor comes with an invoice serving as a certificate of authenticity, a one-year guarantee, and authenticity guaranteed for life.
Is this watch water-resistant?
Water-resistance is not guaranteed on a vintage piece. The original seals have aged, and we do not carry out pressure tests, which could damage the case. We recommend avoiding any prolonged contact with water, including when washing your hands.
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.
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