Brand · Swiss watchmaker est. 1856

Eterna

The house of the five balls — and the ball-bearing rotor that changed automatic watchmaking.

Eterna
Re-checked daily
Founded in Grenchen on 7 November 1856 by Josef Girard and Urs Schild, Eterna is a Swiss watch company whose five-ball logo, adopted in 1948, marks one of horology's quiet revolutions.

That same year Eterna introduced the friction-reducing ball-bearing mounted rotor and the Eterna-Matic — a system so significant it gave the five balls their meaning. Milestones run deep: a patent for the world's first wrist alarm clock in 1908, 'Grand Prix' honours at the 1910 Brussels World Exhibition, and in 1958 the KonTiki collection, inspired by Thor Heyerdahl's 1947 expedition.

After 1982 the company changed hands several times — owned for a time by F.A. Porsche's group, producing Porsche Design watches from the late 1990s — before being acquired in 2011 by Hong Kong–based Citychamp Watch & Jewellery Group. It marked its 160th anniversary in 2016 with the limited Skeleton 1856.

The Eterna pieces worth knowing

Super KonTiki Automatic
KonTiki · 1973
Super KonTiki Automatic
The rugged diver that turns Thor Heyerdahl’s raft legend into Eterna’s most recognisable wristwatch language.
$1,950 at ETERNA
KonTiki Bronze Diver
70th Anniversary
KonTiki Bronze Diver
A warm bronze limited edition that makes the KonTiki adventure story visibly age on the wrist.
$3,700 at ETERNA
KonTiki Four-Hands Automatic
Four Hands
KonTiki Four-Hands Automatic
The KonTiki family’s colourful GMT-style daily watch, all broad markers and practical complication.
$2,812 at ETERNA
KonTiki Voyage
Voyage
KonTiki Voyage
The travel-minded KonTiki: blue dial, rubber strap and enough water resistance to stay relaxed.
$2,860 at ETERNA
Royal KonTiki GMT
Royal GMT
Royal KonTiki GMT
A more imposing KonTiki with GMT function and rubber-strap utility.
$4,290 at ETERNA
KonTiki Tangaroa
Tangaroa
KonTiki Tangaroa
The quieter KonTiki offshoot: steel, date, sapphire back and a black dial made for daily wear.
$834 at ETERNA
Lady KonTiki Automatic
Lady KonTiki
Lady KonTiki Automatic
The KonTiki diver language scaled to 38 mm with diamond-hour polish.
$1,800 at ETERNA
Lady KonTiki Quartz
Lady KonTiki
Lady KonTiki Quartz
The slimmer, rose-gold-toned Lady KonTiki for a softer take on the line.
$1,270 at ETERNA
1948 Legacy Automatic
1948 · Five Spheres
1948 Legacy Automatic
The dress watch that points back to Eterna’s ball-bearing rotor breakthrough and five-dot logo.
$834 at ETERNA
1942 Heritage Automatic
Heritage · Pulsometer
1942 Heritage Automatic
A colourful heritage reissue with medical-scale charm and modern automatic ease.
$3,000 at ETERNA
1940 Chronograph Telemeter
Heritage Chronograph
1940 Chronograph Telemeter
A heritage chronograph that brings telemeter-era instrument graphics into a polished modern case.
Tangaroa Moonphase Chronograph
Moonphase Chronograph
Tangaroa Moonphase Chronograph
A maximal Eterna complication: chronograph, calendar and moonphase in one polished steel package.
$5,800 at ETERNA
Vaughan Big Date
Calibre 3030
Vaughan Big Date
Eterna’s manufacture-minded big-date watch: elegant, technical and quietly ambitious.
$6,300 at ETERNA

Eterna shopping FAQ

Are Eterna watches worth it, or just an underrated name?+

Eterna sits in that sweet spot collectors love: real Swiss watchmaking heritage without the inflated badge premium of the bigger houses. Founded in Grenchen in 1856, it has spent well over a century refining movements, and pieces like the Centenaire have stayed in regular use for decades. If you want substance and history over hype, it rewards the curious.

Why is Eterna so important to watchmaking history?+

Eterna's lasting contribution is the ball-bearing-mounted rotor, born in 1948, which dramatically reduced the friction that wore down automatic movements. The same year it launched the Eterna-Matic and adopted its now-famous five-ball logo. That tiny engineering idea became a standard the whole industry leaned on, which is why a small Grenchen house is remembered far beyond its size.

What do the five balls in the Eterna logo mean?+

The five balls are a direct nod to Eterna's signature ball-bearing rotor system. The company adopted the emblem in 1948, the same year it pioneered the friction-reducing five-ball rotor. So the logo is not decoration; it is a small badge of the invention that defined the brand.

Which Eterna should I buy first, and is the KonTiki the icon?+

The KonTiki is the natural entry point and Eterna's most storied line. Released in 1958, it was inspired by Thor Heyerdahl's 1947 Kon-Tiki expedition, giving it a genuine adventurer's pedigree. For a first Eterna, a KonTiki delivers the brand's history and its rugged, legible character in one watch.

How does the Eterna KonTiki compare to a Tudor dive watch?+

Enthusiasts often cross-shop the two, and the verdict is friendly to Eterna. Reviewers tend to find the KonTiki's dial and case finishing a touch more refined and less tool-like, while both wear and bracelet up beautifully. The KonTiki also tends to cost less for similar substance, which is part of its quiet-value appeal.

Where and when was Eterna founded?+

Eterna was founded on 7 November 1856 in Grenchen, in the Swiss canton of Solothurn, by Josef Girard and Urs Schild. That makes it one of the older continuously recognised Swiss watch names. The Grenchen roots still anchor the brand's identity today.

Who owns Eterna now?+

Eterna changed hands several times after 1982, including a long association with Porsche Design from the late 1990s. It is now owned by the Hong Kong-based Citychamp Watch & Jewellery Group, formerly known as China Haidian, which acquired it in 2011. The company remains active in wristwatch design under that ownership.

Did Eterna really make ultra-thin watches?+

Yes, thinness is a recurring Eterna milestone. The 1962 Eterna-Matic 3000 Dato claimed the title of thinnest men's automatic with a date, and in the 1980s the quartz Museum line pushed the record to under a millimetre. Decades of slim-movement work give the brand real technical credibility beyond its dive watches.

Are vintage Eterna-Matic watches a smart buy?+

Vintage Eterna-Matic pieces have a strong reputation for longevity, with collectors reporting examples that still run well after multiple services. They carry the brand's most historically important movement technology, so they offer real horological substance. As with any vintage watch, buy on condition and service history rather than looks alone.

What is a good time to buy an Eterna?+

Because Eterna is more collector's secret than mainstream status symbol, value often appears on the pre-owned market rather than at full retail. Watching enthusiast forums and reputable dealers tends to surface fair examples year-round. Prioritise condition and an honest service record over chasing a particular moment.