
Wristwatches · Wristwatch
Grand Seiko 6155-8000, 1970s
- Maker / attribution
- Grand Seiko (maker)
- Date
- 1970s
- Historical period
- Quartz Revolution (1969 – 1990)
- Country of origin
- Japan
- Object type
- Wristwatch
- Dimensions
- Case 36 mm
- Stock no.
- Product 6554954399831
- Credit line
- Dealer listing, S.Song Watches (product 6554954399831)
- Catalogue title (original)
- Grand Seiko 6155-8000 (English)
View the source record (dealer listing) ↗ (opens another website in a new tab)Suggest a correction
Record summary
Catalogued by S.Song Watches (dealer), Seattle (stock number Product 6554954399831), this is a wristwatch by Grand Seiko, made in Japan, dated 1970s. The Atlas places it in the Quartz Revolution period (1969 – 1990) of its Wristwatches collection. Recorded dimensions: Case 36 mm. The record is illustrated with 6 photographs.
Assembled from the source record's structured fields. Dates and attributions are given as the source states them; where a field is missing the Atlas leaves it blank rather than estimating.
Catalogue description
Dealer description — S.Song Watches
Grand Seiko was founded in 1960 as Seiko’s luxury watchmaking division. Conceived with the express purpose of providing a stage for luxury Japanese watchmaking, Grand Seiko was the platform on which Seiko began to noticeably flex their watchmaking muscles. Now forging a name for itself as a watchmaker that rivals brands like Rolex, Omega, and so on, the market has begun to turn to vintage Grand Seiko and appreciate the value, character, and level of watchmaking that their pieces offer. Here I have a stunning GS 6155-8000 “Special” in stainless steel. Launched in late 1970, the Grand Seiko “Specials” were one of the most accurate collections produced by GS at the time, regulated to an impressive +/- 3 seconds per day – far exceeding chronometer standards of -4/+6 seconds per day. The only vintage Grand Seiko model to ever feature its own exclusive movement, the ref. 6155-8000 is powered by the hi-beat caliber 6155 automatic movement, beating away at 36,000 beats per hour. An impressive feat still to this day, for the 70’s it was an incredible achievement and stands as a testament to Grand Seiko’s prolific abilities. Offered in stainless steel, the ref. 6155-8000’s sharp satin-brushed case features a screw-down caseback and comes equipped with 50m of water resistance. An unusually large level of water resistance for a dress watch, particularly for the time, Grand Seiko clearly wanted to show the Swiss up in any way they could. Fitted with a sunburst silver dial with applied stick indices, the ref 6155-800 offers a versatile wearing experience thanks to its comfortable 36mm diameter, neutral dial color and impressive movement, and water resistance. Finished beautifully and exhibiting the same charm that has enabled vintage Grand Seiko to catch on recently, this beautiful timepiece is a testament to just how good Grand Seiko watches have always been.
Historical context
Quartz Revolution (1969 – 1990)
Seiko's Astron begins mass quartz timekeeping; traditional industries contract sharply.
Quartz and digital watches transformed the market after 1969. Swiss employment collapsed, Japanese and Hong Kong production soared, and the Swatch (1983) helped the Swiss industry recover; mechanical watches survived as luxury goods.
Read the period in the timelineMore wristwatches from this periodEarlier: Modern Mechanical Horology
Atlas type guide
Wristwatches
Bracelet watches were worn by women from the early nineteenth century — Breguet made one for Caroline Murat, Queen of Naples, in 1810–12 — but the wristwatch only became a man's instrument with military use and aviation in the early twentieth century. Between the World Wars it overtook the pocket watch; the 1920s and 1930s brought rectangular Art Deco cases, water-resistant cases and the first automatic winding systems.
After 1945 the wristwatch became a carrier of identity — dress watches, sports and dive watches, chronographs, calendars — produced by Swiss, American, Japanese, German, Soviet and Chinese industries. The quartz revolution after 1969 and the mechanical renaissance since the 1990s, including the rise of independent watchmakers, complete the story.
What to look for
- The reference number (between the lugs or inside the case back) and serial number, the starting point for dating.
- The calibre: its maker and number are often stamped under the dial or on the bridge.
- Originality of dial, hands and crown — refinished ('redial') dials are common.
- Case material marks: 18K/750, 14K/585, stainless steel, gold-filled, plated.
Dating clues
- Wire-lug cases: before c. 1925.
- Water-resistant screw-down cases: from 1926.
- Quartz movements: from 1969; sapphire crystals widespread after c. 1980.
General guidance written by the Atlas editors about this kind of object. It is not a statement about this particular piece; for that, rely on the source record above and on physical examination.
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