Available $349 40mm

Islander
Bayport Automatic with Warm Grey Dial

We email you as soon as it's back in stock at the brand.
Free email alert. Unsubscribe any time.
What you'll get
Chronoscoutnow
Undone x Birdwell is available again
A Dive watch, in a round stainless steel case, 40mm, with a brown textured/grainy sunburst with printed character motif dial, sword hands and luminous indices, powered by the Seiko NH35A.
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 224 comparable dive watches tracked in this size and price class range from USD 500 to USD 749.
Diameter
40mm
Lug to lug
47.6mm
Between lugs
20mm
Thickness
15.72mm
Weight
76g
Movement Type
Automatic
Movement Name
Seiko NH35A
Power reserve
41 hours
Water resistance
20 bar
Crystal Type
Mineral
Crystal Description
Double dome K1 mineral
Among tracked dive watches in this class, its scarcity score of 85/100 places it in roughly the top 10%. The scarcity score here has moved up around 17 points across the past 153 days. Compared with Undone's typical scarcity, this reference runs about 50 points higher.
Track for the next window
Limited data
No reliable restock cadence is established for this reference yet.
85
June 2026
Scarcity score · today
Scarcity scoreModeledBased on Time unavailable. Reference evidence · 206 days · 1 availability changes · high confidence85/1003
Compared with 223 active peers · Dive · 40 - 42mm · $500–$750
Scarcity rank (in its segment)Top 10%
Last buyableDerivedCalculated from recorded observations.~154 days ago
Price vs segment17% below segment median
Demand, sellout velocity, and restock cadence unlock as Chronoscout gathers more market data on this reference.
One availability change recorded. Available once, for 52 days, on 4/14/26. Longest sold-out stretch: 154 days.
Sold out
5 months straight
6/5/26
April 2026
Today
· for 53 days
4/14/26
Tracked since 4/14/26 (207 days).
Last confirmed:
Currently priced at $500.00, with 4 price changes recorded over the tracked period. The lowest recorded price was $474.00 on 4/16/26; the highest was $525.65 on 9/1/26. That's up from the $500.00 it was first tracked at.
$500.00 USD
9/13/26
April 2026
Today
-4.9%
9/13/26
+5.1%
9/1/26
+5.5%
4/17/26
-5.2%
4/16/26
Similar watches you might like too.
Don't find out too late
Our weekly digest newsletter covers every new release from 370+ 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?