Eterna Calibre 1244: A Vintage Gem for Enthusiasts
The Eterna Calibre 1244 stands as a compact marvel from the Swiss watchmaker’s golden era of the 1950s and 1960s, cherished by vintage collectors and hobbyist watchmakers for its petite size and robust engineering. Ideal for ladies’ or smaller dress watches, this manual-wind movement exemplifies Eterna’s precision craftsmanship, often found in elegant timepieces from that post-war boom.
Historical Context
Introduced around the mid-1950s, the 1244 emerged during Eterna’s push into smaller calibers for women’s watches, building on their innovative automatic heritage like the Eterna-Matic ball-bearing rotors. It powered numerous vintage models, prized today for serviceability and scarcity of parts among restorers. Hobbyists appreciate its straightforward design, making it a rewarding project for bench work.
Technical Specifications
Size: 7 x 8 lignes (approximately 15.5 mm x 18 mm diameter), ultra-compact for slim cases.
Height: About 2.5 mm, enabling thin profiles under 8 mm total watch thickness.
Jewels: 17 high-quality synthetic rubies for reduced friction.
Frequency: 18,000 vibrations per hour (2.5 Hz), typical for reliable daily accuracy.
Power reserve: Roughly 40-45 hours when fully wound.
Functions: Hours, minutes, central seconds; no date or complications.
Finish: Geneva stripes on bridges, blued screws, and shock protection (Incabloc or similar).
Winding: Manual via hackable crown, with quick-set hands for easy regulation.
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Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
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