Here’s a detailed yet concise 300-word article on the Eterna 1068 calibre, tailored for vintage watch enthusiasts and hobbyist watchmakers who appreciate its robust engineering and serviceability.
The Eterna 1068: A Pillar of 1970s Mechanical Reliability
Introduced in the early 1970s by Swiss powerhouse Eterna, the Calibre 1068 stands as a testament to the brand’s innovative spirit during the quartz crisis. This manual-wind workhorse powered iconic models like the KonTiki divers and epitomizes transitional-era Swiss horology—bridging hand-finishing traditions with modern production efficiency. Vintage enthusiasts prize it for its no-nonsense durability, while hobbyist watchmakers love its straightforward disassembly and abundant spare parts availability.
Crafted in 17 jewels, the 1068 delivers a steady beat at 21,600 vibrations per hour (vph), offering smooth seconds-hand sweep ideal for divers’ watches. Its asymmetrical layout, with the balance at 10 o’clock, optimizes shock resistance via Incabloc springs, making it a favorite for restoration projects exposed to daily knocks.
Technical Specifications
Type: Manual wind, 3-hand (hours, minutes, central seconds)
Jewels: 17
Frequency: 2.5 Hz (21,600 vph / 3 Hz)
Power reserve: ~42 hours
Dimensions: 11.75 lignes (26.2 mm diameter), 4.6 mm height
Lift angle: 53°
Balance: Glucydur, bimetallic regulation
Shock protection: Incabloc
Winding rotor: None (manual)
Accuracy: -10/+20 seconds per day (chronometer-grade potential with 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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