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SEIKO BULLHEAD 6138-0040, AUTOMATIC, YEAR 1976
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| Brand | Seiko |
|---|---|
| Model | 6138-0040 Bullhead |
| Gender | Man |
| Decade | 1970s |
| Year of manufacture | 1976 |
| Serial number | 6D9402 |
| Case code | 0040 |
| Movement | Automatic |
| Caliber | Seiko 6138 |
| Crystal | Hardlex Seiko |
| Bezel | Aluminum, with tachymeter. |
| Case material | Steel |
| Diameter without crown | 43 mm |
| Diameter with crown | 44 mm |
| Lug-to-lug length | 47 mm |
| Thickness | 14 mm |
| Strap width | 20 mm |
| Strap material | Steel |
| Strap color | Steel |
| Closure/buckle | Drop-down clasp, signed SEIKO |
| Condition of the watch | Very good, with slight signs of aging. |
| Case/Box | Yes, generic. |
| Documentation | Free Certificate of Authenticity available on request |
Seiko’s history began in 1881 in Tokyo, Japan, when a young entrepreneur named Kintaro Hattori opened a watch repair and sales shop. His vision was to create high-quality watches, and in 1892 he founded the Seikosha factory (in Japanese, “Seiko” means “precision” or “success”, and “sha” means “house”). Initially, Seikosha produced wall clocks, but over time they focused on pocket and wristwatches production.
First Japanese wristwatch
In 1913, Seikosha launched the Laurel, the first wristwatch made in Japan. This marked a significant milestone, as Japan had no watchmaking tradition at that time. The company became a pioneer in its country and laid the foundation for what would become a benchmark name in the global watch industry.
Technological innovation and quartz watches
In 1969, Seiko revolutionized the watchmaking world with the Seiko Astron, the world’s first quartz wristwatch. This breakthrough transformed the watch industry by introducing a much more accurate and affordable technology than traditional mechanical movements. Quartz technology quickly became popular and remains a standard in modern watchmaking.
Precision and reliability
Over time, Seiko has introduced multiple watchmaking innovations, such as the automatic chronograph and the Kinetic charging system (a combination of kinetic energy and quartz technology). It is also known for its dive watches, highly valued for their durability and resistance in extreme conditions.
Seiko has earned a special place in the watch industry by combining tradition and technology at affordable prices, offering from simple models to high-end pieces with its Grand Seiko line.
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- Unique piece
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SEIKO “PANDA” 6138-8021, AUTOMATIC CHRONOGRAPH
INFORMACIÓN
| Brand | Seiko |
|---|---|
| Model | 6138-8021 |
| Gender | Man |
| Country of origin | Japan |
| Decade | 1970s |
| Year of manufacture | 1972 |
| Serial number | 822025 |
| Case code | 8021: Reloj de Cuero Negro con Esfera Plateada. |
| Movement | Automatic |
| Caliber | Seiko 6138 |
| Crystal | Hardlex Seiko |
| Dial | White with two subdials. |
| Bezel | Interior con taquímetro |
| Case material | Stainless steel |
| Diameter without crown | 40.5 mm |
| Diameter with crown | 42 mm |
| Lug-to-lug length | 45 mm |
| Thickness | 12 mm |
| Strap width | 19 mm |
| Strap material | Stainless steel |
| Strap color | Steel |
| Closure/buckle | Signed Seiko Clasp Type |
| Condition of the watch | Excellent, like new! |
| Case/Box | Yes, generic. |
| Documentation | Free Certificate of Authenticity available on request |
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SEIKO QUARTZ “WORLD TIMER CHRONOGRAPF” SQ 100
INFORMACIÓN
| Brand | Seiko |
|---|---|
| Model | WORLD TIMER CHRONOGRAPF SQ 100 |
| Gender | Man |
| Country of origin | Japan |
| Decade | 1990s |
| Year of manufacture | 1992 |
| Serial number | 200620 |
| Movement | Quartz |
| Crystal | Mineral |
| Dial | White with golden subdials, date display at 3 o'clock. |
| Bezel | World, 20-micron gold-plated |
| Corona | Original, firmada Seiko |
| Case material | Stainless steel |
| Diameter without crown | 40.5 mm |
| Diameter with crown | 42 mm |
| Lug-to-lug length | 44 mm |
| Thickness | 9 mm |
| Strap width | 20 mm |
| Strap material | Steel and gold-plated steel 20-micron coating |
| Strap color | Steel and Gold |
| Closure/buckle | Clasp type, original Seiko |
| Condition of the watch | Excellent, like new! |
| Case/Box | Yes, generic. |
| Documentation | Free Certificate of Authenticity available on request |
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SEIKO 6309/7040 “TORTUGA”, VINTAGE DIVER YEAR 1981
INFORMACIÓN
| Brand | Seiko |
|---|---|
| Model | 6309-7040 |
| Gender | Man |
| Country of origin | Japan |
| Decade | 1980s |
| Year of manufacture | 1981 |
| Serial number | 170167 |
| Case code | 7040 |
| Movement | Automatic |
| Crystal | Hardlex Seiko |
| Dial | Black with double date display at 3 o'clock. |
| Bezel | Bi-directional swivel. |
| Corona | Steel, original SEIKO, at 4. |
| Case material | Stainless steel |
| Diameter without crown | 43 mm |
| Diameter with crown | 46 mm |
| Lug-to-lug length | 44.2 mm |
| Thickness | 12.5 mm |
| Strap width | 18 mm |
| Strap material | Top quality genuine leather |
| Strap color | Brown, Retro Racing Style |
| Closure/buckle | Stainless steel |
| Condition of the watch | Very good, with slight signs of aging. |
| Case/Box | Yes, generic. |
| Documentation | Free Certificate of Authenticity available on request |
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SEIKO 5, 6119-8450 AUTOMATIC, VINTAGE YEAR 1971
INFORMACIÓN
| Brand | Seiko |
|---|---|
| Model | 6119-8450 |
| Gender | Man |
| Decade | 1970s |
| Year of manufacture | 1971 |
| Serial number | 1D5120: Blue dial |
| Case code | 8450 |
| Movement | Automatic |
| Caliber | Seiko 6119 |
| Crystal | Original PLexiglás |
| Dial | Blue bicolor with double date display at 3 o'clock. |
| Corona | Original Seiko, de acero |
| Case material | Stainless steel |
| Diameter without crown | 40 mm |
| Diameter with crown | 40 mm |
| Lug-to-lug length | 44 mm |
| Thickness | 12 mm |
| Strap width | 18 mm |
| Strap material | Stainless steel |
| Strap color | Steel |
| Closure/buckle | Pin type, original signed Seiko |
| Condition of the watch | Very good, with slight signs of aging. |
| Case/Box | Yes, your original. |
| Documentation | Free Certificate of Authenticity available on request |
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SEIKO 5 SPORTS SPEED TIMER KAKUME, VINTAGE YEAR 1974
INFORMACIÓN
| Brand | Seiko |
|---|---|
| Gender | Man |
| Decade | 1970s |
| Year of manufacture | 1974 |
| Serial number | 441649 |
| Movement | Automatic |
| Crystal | Impeccable |
| Dial | Blue with two sub-dials, calendar at 3 o'clock. |
| Bezel | Aluminum, with tachymeter |
| Corona | Yours original. |
| Case material | Stainless steel |
| Diameter without crown | 43 mm |
| Diameter with crown | 45 mm |
| Lug-to-lug length | 45 mm |
| Thickness | 12 mm |
| Strap width | 20 mm |
| Strap material | Stainless steel |
| Strap color | Steel |
| Closure/buckle | Clasp type, original Seiko |
| Condition of the watch | Very good, with slight signs of aging. |
| Case/Box | Yes, generic. |
| Documentation | Free Certificate of Authenticity available on request |
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SEIKO BELL-MATIC AUTOMATIC, VINTAGE YEAR 1974
INFORMACIÓN
| Brand | Seiko |
|---|---|
| Model | BELL-MATIC |
| Gender | Man |
| Decade | 1970s |
| Year of manufacture | 1974 |
| Serial number | 423607 |
| Case code | 6031 |
| Movement | Automatic |
| Caliber | 4006 A |
| Crystal | Original Plexiglass, flawless |
| Dial | Blue, with double date indicator at 3 o'clock. |
| Bezel | Interior, bidirectional rotating |
| Corona | Original Seiko, de acero |
| Case material | Steel |
| Diameter without crown | 39.4 mm |
| Diameter with crown | 40.6 mm |
| Lug-to-lug length | 42 mm |
| Thickness | 11 mm |
| Strap width | 18 mm |
| Strap material | Genuine leather vaccine |
| Strap color | Black |
| Closure/buckle | Snap-type, steel |
| Condition of the watch | Very good, with slight signs of aging. |
| Case/Box | Yes, generic. |
| Documentation | Free Certificate of Authenticity available on request |
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SEIKO 5 SPORTS 55TH ANNIVERSARY, LIMITED EDITION 15,555 UNITS
INFORMACIÓN
| Brand | Seiko |
|---|---|
| Model | 5 SPORTS 55 ANIVERSARIO, EDICIÓN LIMITADA Y NUMERADA |
| Gender | Man |
| Decade | Current. |
| Year of manufacture | 2023: 2023 |
| Movement | Automatic |
| Crystal | Brand new, flawless. |
| Dial | Black, with double date function at 3 o'clock. |
| Bezel | Unidirectional swivel. |
| Case material | Steel |
| Diameter without crown | 42.5 mm |
| Diameter with crown | 42.5 mm |
| Lug-to-lug length | 42,8 mm |
| Thickness | 13,4 mm |
| Strap width | 20 mm |
| Strap material | Stainless steel |
| Strap color | Steel |
| Closure/buckle | Signed Seiko Clasp Type |
| Condition of the watch | Excellent, like new! |
| Case/Box | Yes, your original. |
| Documentation | Yes |
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SEIKO OLYMPIC 92, N.O.S. (NEW OLD STOCK)
INFORMACIÓN
| Brand | Seiko |
|---|---|
| Model | Olympic 92 (Olimpiadas Barcelona 92) |
| Gender | Man |
| Decade | 1990s |
| Year of manufacture | 1991 |
| Serial number | 171122 |
| Case code | 7A50 |
| Movement | Quartz |
| Caliber | Seiko 7T42 |
| Crystal | Hardlex |
| Dial | White with golden subdials, date display at 3 o'clock. |
| Bezel | Gold-plated with tachymeter |
| Corona | Original, firmada Seiko |
| Case material | Stainless steel |
| Diameter without crown | 39 mm |
| Diameter with crown | 41 mm |
| Lug-to-lug length | 43 mm |
| Thickness | 8.5 mm |
| Strap width | 18 mm |
| Strap material | Gold-plated steel |
| Strap color | Steel and Gold |
| Closure/buckle | Pin type, original signed Seiko |
| Condition of the watch | N.O.S. (New Old Stock) |
| Case/Box | Yes, your original. |
| Documentation | Free Certificate of Authenticity available on request |



