Clerc Hydroscaph Limited Edition Central Chronograph (ref. CHY-554) in Black DLC Swiss

Like the sporty Sinn EZM 10 “Einsatzzeitmesser” Pilot Chronograph that was revealed last year, the new Clerc Hydroscaph Limited Edition Central Chronograph (ref. CHY-554) comes equipped with a central chronograph minutes hand that not only makes the timekeeper’s dial more interesting to look at. The design also significantly simplifies the task of measuring short periods of time: something that most common chronographs with their tiny, difficult to read totalizers are not always good at.

Although thanks to a pair of thin chronograph hands of white and orange colors, the new timekeeper looks like a split-seconds chronograph, it is in fact a “normal” chrono with one of the hands counting seconds and the other tallying minutes.

With such a design the Swiss watchmaker Clerc kills two birds with just one expensive stone: it gets rid of one of the sub-dials allowing for the rest of elements more room to breathe and makes it easier to read the 60-minute totalizer for persons with poor eyesight.

To somehow counterbalance the small seconds indicator placed at 3 o’clock, they also placed a 24-hour day/night indicator at 9 hours. There is also a date window at 6 o’clock.

Clerc Hydroscaph Limited Edition Central Chronograph in Black DLC

It is reported that the functions are powered by an “exclusive” caliber CO608 automatic movement. I am not sure about its origin, but, as far as I know, the watchmaking brand has its own manufacturing facilities, so there is a good chance that this is their own movement, not some ETA 7750 derivative with a third-party add-on module.

As usual, the movement rests inside an oversized, rugged-looking body.

Measuring almost 44 millimeters in diameter (and almost 50 millimeters in width if you include the lateral protections,) the stainless steel case is treated with black DLC coating, which makes this model almost scratch-proof.

Clerc Hydroscaph Limited Edition Central Chronograph (dial, fragment)

Its contrast, highly legible dial is, too, protected from the elements and salty water (this is a diving watch, after all) with a glare-proofed, 4-mm thick synthetic sapphire crystal.

Well, I can’t say that I am terribly excited about this piece, it is way too rugged and massive to my taste, but, giving Clere Geneve their due, I must admit that the watch looks original and may very well be a good investment for those searching for a brand that goes unbeaten path.

The new Clerc Hydroscaph Limited Edition Central Chronograph watch was presented earlier this month at Baselworld 2012 show and will be produced as a 500-pieces limited edition issue. Pricing is still to be announced, but don’t expect this watch to cheap.

See also: Clerc Hydroscaph Limited Edition Gold Tourbillon diver

WWR Verdict

Originality 5/5
Build Quality: 5/5
Usability: 4.5/5
Overall Legibility: 4/5
Nighttime Legibility: 4/5
Value for Money: 3.5/5

Overall Rating: 4/5

Photos: Clerce Geneve

Clerc Hydroscaph Central Chronograph Black DLC (Ref. CHY-554) specification

Price: €10,800 (retail, listed at
Movement: Automatic, Clerc caliber CO608, Swiss Made
Number of jewels: 47
Movement frequency: 28,800 vph
Movement decoration: Chamfered bridges with Cotes de Geneve motif
Functions: Hours, minutes, seconds, date, 60-min chronograph, 24-hour day/night indicator
Power reserve: 44 hours
Case: Stainless steel, black DLC
Shape: Round
Size: 43.80 mm
Case height: 15.50 mm
Dial: Black, orange accents
Numerals: Arabic, luminous
Hour markers: Luminous
Hands: Luminous
Water resistance: 500 meters
Strap: Black Hornback crocodile rubber-treated leather strap with folding clasp or Black rubber strap
Crystal: Sapphire, antireflective, 4.00 mm thick
Back: Sapphire

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