Seiko 5 Sports 7019-6020 “Water 70m Proof” (February 1970)

This distinctive Seiko 5 Sports 7019-6020 dates from February 1970 (serial number 020xxx) and belongs to the early generation of Seiko 5 sports models, which stand for robustness, precision and sporty-technical aesthetics.
Its solid stainless steel case with the engraving “Water 70m Proof” proves that it was produced before the switch to “Water Resistant” – a highly sought-after collector's feature today.

The black dial with Arabic numerals, luminous hands and the distinctive blue "SPORTS" lettering combines functionality with typical 1970s charm.
A particular highlight is the rotating inner bezel , which is controlled via the crown and is protected under the glass – a typical technical feature of classic Japanese engineering watches of that time.

Technical data

• Model: Seiko 5 Sports
• Reference: 7019-6020
• Caliber: 7019A, automatic, 21 jewels, day/date display (Japanese/English)
• Production date: February 1970
• Serial number: 020xxx
• Origin: Japan
• Case: Stainless steel, tonneau-shaped
• Diameter: 40.9 mm
• Height: 12.0 mm
• Lug-to-lug: 43.4 mm
• Lug width: 18 mm
• Weight (including NATO strap): 79 g
• Dial: Black with white Arabic numerals and blue "SPORTS" lettering
• Watch glass: Acrylic glass (slightly domed)
• Waterproof rating: "Water 70m Proof" (not tested)
• Strap: Black NATO strap, new

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Factory

• Seiko 7019A caliber

  • Automatic movement with Magic-Lever winding mechanism (bi-directional, very efficient)
  • 21 stones, Diashock shock protection, Diaflex break-resistant tension spring
  • Oscillation frequency: 21,600 A/h (3 Hz)
  • Power reserve: approx. 40–42 hours
  • Features: Automatic winding, day/date display, quick date adjustment by pressing the crown , semi-quick day adjustment via midnight
  • Robust, easy to service and still readily available with spare parts today

• Rotating inner bezel

  • • Rotatable via the crown in its home position
    • Protected under the glass – no accidental adjustment
    • Friction clutch system, the resistance of which varies depending on the model
    • A characteristic feature of the reference 7019-6020 within the early Seiko 5 Sports series.

Condition

• Very nice original condition with authentic patina
• Dial is uniformly preserved, luminous material is aged but intact.
• The mechanism runs smoothly, and the automatic winding mechanism works reliably.
• Case with slight signs of wear, not overpolished, clean edges
• Glass chipped at the edge and minor scratches

Historical background

The Seiko 7019 series was introduced in the late 1960s as a sporty line within the Seiko 5 family.
The Caliber 7019A was one of the first Seiko automatic movements with quick-set date function via the crown – a technological advancement of its time.
Models like the 7019-6020 combine functionality and Japanese design of the early 1970s with clean lines, technical sophistication and high everyday usability.
The "Water 70m Proof" versions were only produced until about 1970 and are now considered particularly collectible.

Warranty (used)
This is a used item. The limitation period for claims based on defects (statutory warranty) is 12 months from delivery.

Notice
Since this is a historical, used watch, water resistance cannot be guaranteed.
To protect the clock mechanism, the clock should not come into contact with water or moisture.