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Isotope Watches Hydrium Coconut Island

Coming soon

New release incoming. These typically sell out fast. Track to get alerts when it happens.

About this Watch

A Dive watch, in a round stainless steel case, 40mm, with a silver brushed sunburst dial, sword hands and arabic numerals indices, powered by the La Joux Perret G101.

This reference is coming soon, though the brand hasn't confirmed an exact date yet. Priced 30% above the median for comparable watches in its segment, this reference sits toward the upper end of that price band. Among the 255 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

Double-domed sapphire with anti-reflective coating

Flag data error

Statistics

Release coming soon. Sell-outs have run around 7 weeks, with no established restock cadence. That score places it in roughly the top 10% among tracked dive watches in its class. Over the past 354 days, this reference's scarcity score has risen by roughly 13 points. Its scarcity score sits about 66 points above Isotope Watches's typical scarcity.

Track for the next window
Limited data
No reliable restock cadence is established for this reference yet.
66
September 2025
Scarcity score · today
Scarcity score
Modeled
Based on Time unavailable. Reference evidence · 376 days · 2 availability changes · high confidence
66/10015
Scarcity rank (in its segment)Upgrade
Last buyable
Derived
Calculated from recorded observations.
~50 days ago
Price vs segmentUpgrade

Demand, sellout velocity, and restock cadence resume once this release is live.

Availability

Last confirmed: 9/17/26, 5:26 PM

2 availability changes recorded. Available once, for 327 days, on 9/5/25. Longest sold-out stretch: 13 days.

Tracked since 7/16/25 (428 days).

Coming soon8/11/26
37 days straight
March 2026
Today
Sold out · for 13 days7/29/26

9 older transitions back to 7/16/25 are available with Collector. Unlock full history

Price

Currently priced at $1,694.00, 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.