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Isotope Watches Hydrium Racing Green Orange

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This watch is available for purchase directly from the brand's website.

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About this Watch

A Dive watch, in a round stainless steel case, 40mm, with a green matte with subtle sunburst gradient dial, baton hands and luminous indices, powered by the La Joux Perret G101.

Right now, this reference can be bought directly from the brand. Priced 30% above the median for comparable watches in its segment, this reference sits toward the upper end of that price band. Among the 253 tracked dive watches in this size and price class, prices span from USD 1,008 to USD 1,995.

Diameter

40mm

Lug to lug

48mm

Between lugs

22mm

Thickness

12.9mm

Movement Type

automatic

Movement Name

La Joux Perret G101

Power reserve

68 hours

Water resistance

30 bar

Crystal Type

sapphire

Crystal Description

Anti-reflective, double domed sapphire crystal

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Statistics

Among tracked dive watches in this class, its scarcity score of 0/100 places it in roughly the bottom 10%. Over the past 355 days, this reference's scarcity score has dropped by roughly 53 points. Scarcity peaked around 53 back in September 2025. This is broadly consistent with Isotope Watches's typical scarcity level.

Looking at Isotope Watches's tracked catalog as a whole, about 37% of models sit in stock at any one time.

Worth tracking
Limited data
Currently available with no strong urgency signal either way.
Scarcity score
Modeled
Based on Time unavailable. Reference evidence · 377 days · 0 availability changes · high confidence
0/100
Scarcity rank (in its segment)Upgrade
Price vs segmentUpgrade
Brand restocks every
Brand avg
~1 days
Brand in stock
Brand avg
~37%

Availability

Last confirmed: 9/18/26, 6:03 AM

Tracked since 8/1/25 (413 days).

Available2/17/26
7 months straight
March 2026
Today

10 older transitions back to 8/1/25 are available with Collector. Unlock full history

Price

Currently priced at $1,693.00, with 7 price changes recorded over the tracked period. The lowest recorded price was $1,673.00 on 6/19/26; the highest was $1,729.00 on 1/27/26. That's down from the $1,707.00 it was first tracked at.