Eterna Caliber 12670: A Vintage Gem for Enthusiasts
Vintage watch enthusiasts and hobbyist watchmakers cherish the Eterna 12670 for its reliable engineering and ties to 1970s Swiss horology. Derived from the ETA 2670 base, this automatic movement powered slim dress watches during Eterna’s innovative era, blending precision with understated elegance.
Historical Context
Introduced around 1970, the 12670 belongs to Eterna’s 126xx family, evolving from manual-wind predecessors like the 12660. Eterna refined ETA ebauches to enhance rotor efficiency and durability, making it ideal for everyday wear in mid-tier luxury timepieces. Hobbyists value its serviceability, as parts remain available through specialist suppliers.
Technical Specifications
Diameter: 7.75 lignes (17.20 mm)
Height: 4.80 mm
Jewels: 21
Winding: Self-winding with bi-directional rotor
Frequency: 28,800 vph (4 Hz)
Power Reserve: Approximately 40 hours
Functions: Sweep seconds, date at 3 o’clock
Balance: Glucydur with Nivarox hairspring
Shock Protection: Eterna-U system
Regulation: Fine adjustment via hairspring
For any Watch Spare Parts inquiry, Email us for rate and availability: [email protected]
Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
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