


he Eterna Caliber 600 stands as a hallmark of mid-20th-century Swiss horology, cherished by vintage watch enthusiasts and hobbyist watchmakers for its robust construction and timeless reliability. Produced primarily in the 1940s, this manual-wind movement powered elegant mid-sized wristwatches, embodying Eterna’s precision engineering during the post-war era.
Historical Context
Introduced around 1945, the Cal. 600 emerged amid Switzerland’s golden age of watchmaking, when brands like Eterna supplied private-label movements to firms such as Stauffer & Co. Its clean design and dependable performance made it ideal for steel-cased dress watches, often paired with matte dials and Arabic numerals. Hobbyists value it today for straightforward servicing and parts availability through vintage suppliers.
Technical Specifications
Type: Manual wind, 15 jewels
Dimensions: 10.5 lignes (approximately 23.3mm diameter), height around 3mm
Frequency: 18,000 beats per hour (BPH)
Balance: Compensation balance with Glucydur screw balance option in variants
Shock Protection: Early Eterna-U system in some versions
Power Reserve: Approximately 40-45 hours
Functions: Hours, minutes, center seconds
Finishing: Perlage on plates, clean bridges with minimal ornamentation
Functions: Hours, minutes; sub-seconds at 6 o’clock.
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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