Eterna
Eterna Kontiki steel 20
Eterna Kontiki steel 20
Reference: Kontiki 20
Year: 1971
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Founded in 1856 in Grenchen, Switzerland, Eterna has long been a pioneer of Swiss watchmaking—renowned for innovation, reliability, and timeless elegance. From introducing the ball-bearing rotor system to inspiring generations of mechanical movements, Eterna has shaped horological history.
This Eterna-Matic KonTiki 20 from the 1960s is a proud symbol of that legacy. Named after the legendary KonTiki expedition led by Thor Heyerdahl in 1947, it captures the spirit of adventure and resilience. The 37mm stainless steel case frames a clean silver dial with sharp baton indices and a practical date window at 3 o’clock.
Powered by the robust automatic caliber 1489K, it ensures reliable performance and mechanical charm. Paired with a sleek black leather strap, the KonTiki 20 blends tool-watch functionality with timeless style.
More than a watch, it’s a wearable tribute to precision, exploration, and Swiss craftsmanship.
Specifics
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General info
- Serial number: 52xxxxx
- Case material: Steel
- Caseback: Screw-back
- Case diameter: 37.0 mm
- Glass: Plexiglass
- Bezel Materials: Steel
- Dial color: Silver
- Dial numerals: No numerals
- General conditions: Great conditions
- Water resistance rate: Not waterproof
- Delivery contents: Watch only
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Band or Strap
- Band material: Leather
- Lug width: 20 mm
- Buckle type: Classic
- Buckle material: Steel
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Movement
- Calibre: Eterna 1489K
- Movement type: Automatic
- Complications: None
- Service: Last service unknown, good working order