Coming soon $1,687 40mm

Isotope Watches
Hydrium Coconut Island
This watch has been sold out for months with no restock pattern on record. Track to get an alert if it comes back.
A Dive watch, in a round stainless steel case, 41mm, with a silver sunburst / ombré (faded center to darker edge) dial, sword hands and applied metal indices, powered by the ETA 2824.
It is currently sold out and not available to buy. Its price sits close to the median for comparable watches in its segment, neither a premium nor a bargain within that group. The 256 comparable dive watches tracked in this size and price class range from USD 1,008 to USD 1,995.
Diameter
41mm
Lug to lug
47mm
Thickness
12.4mm
Movement Type
automatic
Movement Name
ETA 2824
Power reserve
38 hours
Water resistance
20 bar
Crystal Type
sapphire
Crystal Description
Sapphire box crystal
Currently sold out, with no clear restock pattern yet. Scarcity score: 81/100. Among tracked dive watches in this class, that score lands it in roughly the top 10%. The scarcity score here has moved up around 67 points across the past 179 days. That tracks closely with what's typical for Wren's catalog.
Track for the next window
Measured · 6 restocks
No reliable restock cadence is established for this reference yet.
81
May 2026
Scarcity score · today
Scarcity scoreModeled81/1002
Compared with 255 active peers · Dive · 40 - 42mm · $1,000–$2,000
Scarcity rank (in its segment)Top 10%
DemandDerivedStable
Sells out inDerived~9 hours
Last buyableDerived~162 days ago
Price vs segment9% above segment median
Last confirmed:
13 availability changes recorded. In-stock windows ranged from 3 hours to 30 days. Longest sold-out stretch: 161 days. Last restocked on 5/23/26.
Tracked since 4/5/26 (210 days).
Sold out5/24/26
5 months straight
April 2026
Today
Available · for 12 hours5/23/26
Sold out · for 5 days5/18/26
Available · for 6 hours5/18/26
Sold out · for 4 days5/14/26
Available · for 3 hours5/14/26
Sold out · for 5 days5/9/26
Available · for 16 hours5/8/26
Sold out · for 6 hours5/8/26
Available · for 12 hours5/8/26
Sold out · for 6 hours5/7/26
Available · for 6 hours5/7/26
Sold out · for 23 hours5/6/26
Available · for 31 days4/5/26
The manufacturer's $1,395.00 price has not changed during the tracked period.
$1,395.00 USD5/10/26
Unchanged · 7 months
April 2026
Today
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