Eterna 1478: A Timeless Vintage Caliber for Enthusiasts
The Eterna 1478 stands as a pinnacle of mid-20th-century Swiss horology, cherished by vintage watch collectors and hobbyist watchmakers for its robust engineering and elegant simplicity. Produced primarily in the 1950s and 1960s, this manual-wind movement exemplifies Eterna’s commitment to precision, featuring a clean architecture that rewards meticulous servicing and restoration.
Historical Context
Introduced during Eterna’s golden era of innovation, the 1478 powered dress watches and chronometers prized for reliability. Its design draws from the brand’s Eterna-Matic legacy, emphasizing low-friction components amid post-war demand for durable timepieces. Hobbyists value it for straightforward disassembly, ideal for home overhauls using basic tools like rodicos and pegwood.
Technical Specifications
Size: 12 1/2 lignes (28.6 mm diameter)
Height: Approximately 4.5 mm
Jewels: 17 or 19 jewels
Winding: Manual, uni-directional crown winding
Frequency: 18,000 vph (2.5 Hz)
Power Reserve: 40-45 hours
Balance: Glucydur screwed balance with flat Nivarox hairspring
Shock Protection: Eterna-U system
Escapement: Swiss lever
Functions: Time-only (hours, minutes, center seconds); some variants with small seconds
Mainspring: High-performance Eterniflex alloy for consistent torque
Finishing: Perlage on bridges, blued screws, Geneva stripes optional on higher grades
For any Watch Spare Parts inquiry, Email us for rate and availability: [email protected]
Watch Parts Enquiry
* If you are unable to fill out any of the required information fields, please type “N/A”.
Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
Mobile/WhatsApp: +91- 9841 360 340