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Omega Equinoxe: Where Time folds Into Itself




Personnal Equinoxe - Shot by hash_watches


Equinoxe

/ˈek.wɪ.nɒks/ — from Latin aequinoctium, “equal night”
Def 1. A moment of perfect balance, when day and night share the sky as equals.
Def 2. A rare point of intersection between opposites, between eras, between the analog and the digital.


In a world where watches are often confined to tradition or absorbed by innovation, the Omega Equinoxe did something few dared: 

It refused to choose.


Released only in 1981, in extremely limited numbers, it was a machine of contradiction:
classical yet digital, minimal yet radical, timeless yet entirely of its time.

And that’s what made it revolutionary.



1981: A Year of Innovation


Vintage advertising of the Equinoxe


The early 80’s weren’t just the beginning of a decade, they were a cultural inflection point. 
IBM launched the personal computer. 
NASA’s space shuttle Columbia completed its maiden voyage. 
Sony revealed the Mavica, an early glimpse into the world of digital imaging. 

The analog world was giving way, pixel by pixel, to a new era.

Omega, always a brand with a foot in innovation, didn’t just observe the moment, it answered it. 
Not by chasing the latest fad, but by designing a watch that captured the tension of its age. 

A watch that didn’t just measure time but embodied a world shifting between past and future.



A Design That Dared to Flip


Vintage advertising of the Equinoxe


The Equinoxe Reverso was born of paradox. On one side, a refined analog dial with traditional hands. 
On the other, a digital LCD interface with a host of modern complications. 

Inspired in form by Jaeger-LeCoultre’s iconic Reverso,  though predating the Duoface by over a decade, 
it dared to ask:  What if a watch had two souls?

Its 27mm octagonal case, with harshly brushed steel and sharp architectural angles, 
carried echoes of the Royal Oak’s industrial audacity. 

Yet the Equinoxe didn’t just borrow language, it spoke fluently in its own dialect. 

The case flipped not for aesthetic delight, but for purpose. 

Two complete personas, housed in one singular frame.


The Heart: Omega’s Caliber 1655


Personnal copy of the 1655 datasheet. Assembly and Disassembly.


At the core of the Equinoxe was the Omega caliber 1655, a rare and complex hybrid quartz movement that 
powered both  analog and digital displays simultaneously yet independently. 

It was a feat of micro-engineering rarely seen, even today.

Key features of the 1655:

Dual-display design: traditional quartz analog plus advanced LCD digital
Digital complications: chronograph, lap timer, split timing, date, and alarm
Isolated circuitry: a rare engineering choice to prevent interference between systems
High accuracy: quartz precision with near-zero deviation

Extinct support: so rare, spare parts are virtually unobtainablemaking every functional example a museum piece

And yet, Omega never repeated it. The 1655 was used once. 
No successor, no evolution. The movement was too singular, too complex, or perhaps too early for its time.


Variants: Rarer Than Rare


Steel and two tone Equinoxe courtesy of hash_watches, gold version is a photoshop.


Officially known under reference 186.0013, most Equinoxe models were released in brushed stainless steel. 
But scattered whispers tell of even rarer variants. Two-tone executions in steel and gold that you can see sometimes. 
Gold-plated cases, and bracelet. Never seen any personnaly.

These watches weren’t catalog staples they were anomalies with only 1 000 units produced.
The kind that slip through time’s fingers, waiting to be rediscovered by those who know where to look.


The Cult and the Myth

Collectors who understand it don’t just admire the Equinoxe they revere it. 
Not because it’s flashy, or famous, but because it shouldn’t exist
It stands at the unlikely intersection of Reverso elegance, Genta-inspired architecture, and early quartz ambition.

Some describe it as “a Casio in a tuxedo,” others as “a Reverso with a hacker’s soul.”
 But perhaps the most fitting description is this:

“The Omega Equinoxe didn’t blend analog and digital. It made them confront each other, face to face”


Operating the Equinoxe

Using the Equinoxe was like learning to drive a time machine. The analog side was simple enough: a classic crown.
But the digital module required exploration button sequences for chrono, lap, reset, and alarm modes.


Copy of the 1655 userguide. Full userguide available here


The interface was cryptic at first, but rewarding. 
Once mastered, it felt like unlocking the control panel of a device more sophisticated than any watch had the right to be in 1981.


A Vision That’s Still Ahead


Today’s watch world is crowded with hybrids, reissues, and nostalgia. Yet the Equinoxe still feels different.
 It wasn’t designed to look back. It was designed to leap forward.


hash_watches personnal collection

In a time when we talk about watches needing “character” or “identity”,
the Equinoxe stands as proof that bold identity comes not from marketing but from courage. 

From making something no one asked for, but everyone would later admire.
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