Sold out $1,242 42mm
Balticus
Deep Water
BAL-DWBBC - SET
Automatic
40 mm
Isotope Watches Hydrium California
Coming soon
$1,260
The brand lists this reference as coming soon.
Know the moment it drops
We email you as soon as it goes on sale or pre-orders open.
Free email alert. Unsubscribe any time.
What you'll get
Chronoscoutnow
Isotope Watches Hydrium California is available now
About this Watch
A Dive watch, in a round stainless steel case, 40mm, with a black granular textured dial, sword hands and applied metal indices, powered by the La Joux Perret G101 / Landeron.
It is expected to launch soon, though no exact date has been confirmed yet. Within its segment, this reference is priced near the middle of the pack, close to what comparable watches typically cost. This segment covers 260 tracked dive watches in this size and price class, ranging 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 / Landeron
Power reserve
68 hours
Water resistance
30 bar
Crystal Type
Sapphire
Crystal Description
Double-domed sapphire crystal with anti-reflective coating
Statistics
Release coming soon. Sell-outs have run around 5 weeks, with no established restock cadence. That puts it in roughly the top 10% of tracked dive watches in this class. Its scarcity score has climbed about 43 points over the past 179 days. This reference's scarcity is roughly 61 points above what's typical for Isotope Watches.
Track for the next window
Limited data
No reliable restock cadence is established for this reference yet.
61
May 2026
Scarcity score · today
Scarcity scoreModeledBased on Time unavailable. Reference evidence · 427 days · 1 availability changes · high confidence61/10025
Compared with 259 active peers · Dive · 40 - 42mm · $1,000–$2,000
Scarcity rank (in its segment)Top 10%
Last buyableDerivedCalculated from recorded observations.~38 days ago
Price vs segment2% below segment median
Demand, sellout velocity, and restock cadence resume once this release is live.
Availability
One availability change recorded. Available once, for 346 days, on 10/19/25.
Coming soon
38 days straight
9/30/26
December 2025
Today
- Available
· for 225 days
2/17/26
- Unknown
· for 12 hours
2/17/26
- Available
· for 12 days
2/5/26
- Unknown
· for 12 hours
2/4/26
- Available
· for 14 days
1/21/26
- Unknown
· for 13 hours
1/20/26
- Available
· for 2 days
1/19/26
- Unknown
· for 13 hours
1/18/26
- Available
· for 10 days
1/9/26
- Unknown
· for 12 hours
1/8/26
- Available
· for 14 days
12/25/25
- Unknown
· for 12 hours
12/25/25
Tracked since 5/2/25 (554 days).
Last confirmed:
Price
Currently priced at $1,260.00, with 10 price changes recorded over the tracked period. The lowest recorded price was $1,243.00 on 6/18/26; the highest was $1,555.00 on 1/27/26. That's down from the $1,499.00 it was first tracked at.
$1,260.00 USD
11/4/26
November 2025
Today
- $1,266.00 → $1,260.00
-0.5%
11/4/26
- $1,248.89 → $1,266.00
+1.4%
9/2/26
- $1,266.00 → $1,248.89
-1.4%
8/11/26
- $1,243.00 → $1,266.00
+1.9%
7/16/26
- $1,273.00 → $1,243.00
-2.4%
6/18/26
- $1,253.00 → $1,273.00
+1.6%
5/1/26
- $1,262.00 → $1,253.00
-0.7%
4/11/26
- $1,283.00 → $1,262.00
-1.6%
2/21/26
- $1,555.00 → $1,283.00
-17.5%
2/8/26
- $1,499.00 → $1,555.00
+3.7%
1/27/26
- $1,499.00
11/12/25
Similar Watches
Similar watches you might like too.
Don't find out too late
Our weekly digest newsletter covers every new release from 360+ brands.
490+ subscribers · unsubscribe anytime
© 2026 chronoscout.co
all rights reserved
VAT EU372094125
VAT GB 515 677 276
built by Katalyze. in Switzerland
🍪 Cookies
We use cookies to analyze site usage and improve your experience, in accordance with our Cookie Policy .
Would you like to enable cookies for analytics?