The Eterna 1403: A Hidden Gem for Vintage Enthusiasts
For vintage watch lovers and hands-on hobbyist watchmakers, the Eterna Caliber 1403 stands out as a robust, no-frills workhorse from the golden era of Swiss horology. Produced primarily in the 1950s and 1960s by Eterna, this manual-wind movement powered affordable dress and field watches, earning praise for its reliability in everyday wear. Its straightforward design appeals to restorers seeking parts-friendly calibers that reward tinkering without excessive complexity.
What sets the 1403 apart? Eterna’s engineering emphasized durability over flash—think solid bridges and precise machining that hold up under decades of use. Hobbyists appreciate its accessibility for servicing; mainsprings and jewels are widely available from aftermarket suppliers. Collectors chase it in vintage Eterna models like the KonTiki divers or military-spec pieces, where it delivers steady timekeeping with a smooth sweep second hand. Restore one, and you’ll feel the satisfaction of reviving a piece of post-war precision.
Technical Specifications
Type: Manual wind, 3-hand (hours, minutes, central seconds)
Jewels: 17
Frequency: 18,000 vph (5 Hz)
Power Reserve: ~40-45 hours
Diameter: 11.75 lignes (26.2 mm)
Height: 4.5 mm
Balance: Glucydur monometallic with Breguet overcoil hairspring
Regulation: Fine index regulator
Winding: Blued steel click and pawl system
Shock Protection: Incabloc (standard on later variants)
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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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