



Seiko 7812-8039, Cal. 7812, Men’s Quartz Vintage Watch, 1979
A uniform matte silver dial and black stick hands distinguish this 1979 watch, Seiko reference 7812-8039. The polished chapter ring and bevelled date window give the spare display a defined border, while a grey central seconds hand keeps the contrast restrained. In-house quartz caliber 7812 powers the slim 33 mm steel case, now paired with an aftermarket brown leather strap.
Matte silver, black markers and grey seconds
The dial has no sunburst effect. Slim black hour markers surround its matte silver surface, with clean SEIKO and QUARTZ printing at 12. A polished chapter ring frames the display and provides a reflective edge against the quieter dial finish.
The neatly bevelled, framed date window sits at 3. Black stick hour and minute hands give a clear contrast to the pale dial, while the subtle grey central seconds hand completes the three-hand arrangement. The crisp dial and clean, functional calendar retain the reference’s restrained presentation.
Thin steel profile and replacement brown leather
The stainless steel case measures 33 mm across and 38 mm from lug to lug. Its satin-brushed upper surface contrasts with a polished, slightly bevelled bezel. Sharp case lines and the low profile give the small watch a defined presence without substantial height under a shirt cuff.
A small polished crown at 3 appears original to the watch head. It provides time adjustment and quick date setting while keeping the side profile discreet.
The brown leather strap is an aftermarket replacement, with contrast stitching near the lugs. Its warm tone accompanies the silver dial and steel case. The strap’s replacement status remains separate from the original watch-head components.
In-house 7812 and serviced condition
This quartz watch’s in-house Seiko caliber 7812 uses a nominal 32,768 Hz oscillator. Its thin architecture contributes directly to the watch’s low stance and sleeve clearance. This late-1970s watch reflects the development of compact quartz wristwatches with restrained displays.
The example is in excellent vintage condition, with its crisp dial, sharp steel lines and functional date display preserved. It has been fully serviced and function-tested, and is fully operational. A 12-month warranty accompanies the watch, with worldwide shipping available.
| Brand | Seiko |
|---|---|
| Reference | 7812 8039 |
| Brand Origin | Japan |
| Gender | Men's |
| Caliber | 7812 |
| Production Year | 1979 |
| Dial Color | Matte silver; uniform finish without sunburst |
| Case Diameter | 33 mm |
| Lug to Lug | 38 mm |
| Case Material | Stainless steel |
| Crown | Small polished crown at 3; appears original |
| Movement Type | Quartz |
| Category | Quartz Vintage Watch |
| Functions | Quartz timekeeping; central seconds; framed date at 3 with quick date setting |
| Oscillator Frequency | 32,768 Hz; caliber specification |
| Strap | Aftermarket brown leather with contrasting stitching near the lugs |
| Condition | Used; excellent vintage condition; crisp dial, sharp case lines and clean functional date |
| Fully Serviced | Yes |
| Fully Operational | Yes |
| Original Watch Components | Yes; watch head, with crown appearing original; leather strap is aftermarket |
| Warranty | 12-month warranty |
| Case Finish | Satin-brushed top; polished slightly bevelled bezel |
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Frequently Asked Questions
When was this vintage watch produced?
The recorded production year for this watch is 1979. See the product description and photographs for more details about this individual example.
What movement does this watch use?
This watch uses a quartz movement.The recorded caliber is 7812.For movement-specific operating instructions, please contact Vintage Watch Studio.
What servicing or checks are carried out before sale?
Our quartz watches are inspected and function-tested, with contacts cleaned and appropriate maintenance carried out before sale. This is not the same process as a complete mechanical movement service.Please see the listing for any additional work or measured performance specific to this watch.
Do the photographs show this actual vintage watch?
Yes. The photographs show the individual watch in this listing rather than a generic stock image. Please review the images and description for visible wear, condition and disclosed replacement parts. Age alone does not establish originality.
Can I wear this vintage watch in water?
Do not assume a vintage watch is water-resistant, even if it originally carried a water-resistance marking. Unless this individual watch has an explicitly confirmed, current water-resistance test in its listing, keep it away from swimming, showering and other water exposure.
Does this watch include a warranty?
Yes. Every watch sold by Vintage Watch Studio includes a 12-month warranty, whether mechanical or quartz. Coverage and exclusions are governed by our warranty terms.
Can I still buy this exact watch?
This individual vintage watch is no longer available. Since watches are individually sourced, an identical example cannot be guaranteed.







