Edox Class 1 Ice Shark diving timekeeper Quartz watches / Swiss Watches

Edox Class 1 Ice Shark diving timekeeper

Known among enthusiasts for their superb diving watches, but somewhat lacking enough attention from the media, the Swiss watch brand has revealed yet another object of attraction. Called Edox Class 1 Ice Shark (ref. 10301 37N), this model comes in a 45mm stainless steel PVD-coated case with a unidirectional ceramic bezel, which is also black.




The watch is powered by a Ronda 5040.B-based (not Ronda 5021.D-based, as some sources put it: at least, as per official specification published by Edox) “Edox 10” quartz chronograph movement with a theoretical battery life of 4.5 years. Although the mechanism is advertised as “repairable,” it is a rather inexpensive piece of hardware, so expect your watch gutted and the engine simply replaced with brand new one if anything goes wrong.

At -10/+20 seconds per month of deviation, it is clearly not on the higher end of things and, frankly, I think that it would be right to demand something more precise to power a watch that is priced at more than $2.5K. Even though I expect the watch to be offered with a good discount from the very beginning, the movement is still not, um, premium enough for me.

Edox Class 1 Ice Shark diving watch

This is the first Ronda’s electric-powered caliber featuring a big date display with an extended aperture that may be especially handy for those not capable to remember that “7” precedes “8” and “9” follows it.

While the original caliber features a rather standard tri-compax layout, this one comes with a more classic bi-compax design sporting only two -small seconds and 30 minutes- counters throwing away the 10 hours sub-dial. Well, you don’t plan to stay submerged for so long, right?

The movement is also pivoted 180 degrees about the vertical axis, so that its crown and the pair of push-pieces moved from the traditional right side of the watch to the left.

Edox Class 1 Ice Shark diver

The design not only makes this ref. 10301 37N model look more original, but also makes it more comfortable preventing its oversized PVD-treated setting crown from biting into the back of your hand.

Also, this kind of layout prevents you from accidentally pressing the chronograph push-pieces thus compromising the water-tightness of the watch.

Speaking of pushers, it must be noted that the start/stop button is now placed at 8 hours and the reset pusher is placed at 10 o’clock.

Edox Class 1 Ice Shark diving watch (dial, detail)

To make it easier for us to remember the correct pushers, the Swiss watchmaker has painted a small orange dot on the start/stop push-piece.

Well, at least the left-handed folks will love it.

Sporting an impressive thickness of almost 16 millimeters and equipped with a rugged-looking unidirectional rotating bezel, the watch bears a certain presence, which is not often met in the world of quartz timekeepers.

If the recommended street price of $2550 doesn’t scare you away, you can certainly give this watch a try.




See also: Argonaut 1000 TQ diving instrument by CX Swiss Military Watch

Photos: Edox

Edox Class 1 Ice Shark (ref. 10301 37N) diving watch’s specification:

Price range: $2550 (MSRP)
Movement: Caliber Edox 10 (base Ronda 5040.B,) quartz, Swiss Made
Functions & Complications: Hours, minutes, small seconds, chronograph, big date
Power reserve: 54 months
Case material: Stainless steel with PVD treatment
Case dimensions: 45.00 mm
Case height: 15.80 mm
Dial: Dark gray carbon fiber with luminescent hour indices
Water resistance: 1000 meters (100 ATM)
Strap: Black or orange rubber strap with a stainless steel PVD-coated folding buckle
Crystal: Sapphire, antireflective
Back: Solid, engraved


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